I joined the university Herpetology club for a seining visit to the Flint River in north ‘bama last Saturday. Low water and mild temperatures made for a pleasant day. In the box are 2 species of Snubnose darters and a Central Stoneroller at right. 🐟🧪🌎 #TeamFish
October 27, 2026 at 6:38 PM
I joined the university Herpetology club for a seining visit to the Flint River in north ‘bama last Saturday. Low water and mild temperatures made for a pleasant day. In the box are 2 species of Snubnose darters and a Central Stoneroller at right. 🐟🧪🌎 #TeamFish
Brachyrhaphis episcopi, male (poeciliidae)
Panama, Central America. Inhabits the edges of rivers and swamps, preferring lowland slow-moving waters.
Size: Females reach approximately 5 cm (2 in); males approximately 3 cm (1.2 in).
Thanks to John Hansen, photographer unknown. 🐟🌿 #TeamFish
Panama, Central America. Inhabits the edges of rivers and swamps, preferring lowland slow-moving waters.
Size: Females reach approximately 5 cm (2 in); males approximately 3 cm (1.2 in).
Thanks to John Hansen, photographer unknown. 🐟🌿 #TeamFish
October 27, 2026 at 10:28 PM
Brachyrhaphis episcopi, male (poeciliidae)
Panama, Central America. Inhabits the edges of rivers and swamps, preferring lowland slow-moving waters.
Size: Females reach approximately 5 cm (2 in); males approximately 3 cm (1.2 in).
Thanks to John Hansen, photographer unknown. 🐟🌿 #TeamFish
Panama, Central America. Inhabits the edges of rivers and swamps, preferring lowland slow-moving waters.
Size: Females reach approximately 5 cm (2 in); males approximately 3 cm (1.2 in).
Thanks to John Hansen, photographer unknown. 🐟🌿 #TeamFish
Krumholz’s Mosquitofish (Gambusia krumholzi)
Native to the Rio Nava in Coahuila, Mexico, it is a close relative of Gambusia clarkhubbsi. Males grow to approximately 1.5 inches (3.8 cm), while females reach around 2.4 inches (6.1 cm). It is named in honor of Louis A. Krumholz. 🧪🐟🌍 #TeamFish see alt
Native to the Rio Nava in Coahuila, Mexico, it is a close relative of Gambusia clarkhubbsi. Males grow to approximately 1.5 inches (3.8 cm), while females reach around 2.4 inches (6.1 cm). It is named in honor of Louis A. Krumholz. 🧪🐟🌍 #TeamFish see alt
October 22, 2026 at 11:22 PM
Krumholz’s Mosquitofish (Gambusia krumholzi)
Native to the Rio Nava in Coahuila, Mexico, it is a close relative of Gambusia clarkhubbsi. Males grow to approximately 1.5 inches (3.8 cm), while females reach around 2.4 inches (6.1 cm). It is named in honor of Louis A. Krumholz. 🧪🐟🌍 #TeamFish see alt
Native to the Rio Nava in Coahuila, Mexico, it is a close relative of Gambusia clarkhubbsi. Males grow to approximately 1.5 inches (3.8 cm), while females reach around 2.4 inches (6.1 cm). It is named in honor of Louis A. Krumholz. 🧪🐟🌍 #TeamFish see alt
New work has come out supporting the Halloween Darter, Percina crypta, as a valid species. It is, of course, just in time for Halloween.... 🧪🌍🐟 #TeamFish
Genomic and morphological data corroborate Percina crypta (Percidae: Etheostomatinae) as a valid taxon and reveal undescribed diversity in the Percina nigrofasciata complex
| Zootaxa
...
www.mapress.com
October 19, 2026 at 5:22 PM
New work has come out supporting the Halloween Darter, Percina crypta, as a valid species. It is, of course, just in time for Halloween.... 🧪🌍🐟 #TeamFish
Speaking of Rainbow Darters, here are 7 fresh caught ones from Estill Fork of the Paint Rock River just south of the Tennessee line in Jackson County, Alabama. The 3 larger males are in enhanced breeding coloration, the females are more or less gravid with oocytes. My own photo. 🌿🐟🧪 #TeamFish
October 17, 2026 at 9:50 PM
Speaking of Rainbow Darters, here are 7 fresh caught ones from Estill Fork of the Paint Rock River just south of the Tennessee line in Jackson County, Alabama. The 3 larger males are in enhanced breeding coloration, the females are more or less gravid with oocytes. My own photo. 🌿🐟🧪 #TeamFish
October 16, 2026 at 6:36 PM
#NewSpecies!
New #sole from #china just surfaced:
Soleichthys labyrinthus
Treatment: treatment.plazi.org/id/D656431D-...
Publication: doi.org/10.3897/zook...
#ZooKeys #SoleichthysLabyrinthus
#FAIRdata
#OA #taxonomy #biodiversity #nature #conservation #animals #fauna #fish #TeamFish #ichthyology
New #sole from #china just surfaced:
Soleichthys labyrinthus
Treatment: treatment.plazi.org/id/D656431D-...
Publication: doi.org/10.3897/zook...
#ZooKeys #SoleichthysLabyrinthus
#FAIRdata
#OA #taxonomy #biodiversity #nature #conservation #animals #fauna #fish #TeamFish #ichthyology
October 16, 2026 at 8:47 AM
#NewSpecies!
New #sole from #china just surfaced:
Soleichthys labyrinthus
Treatment: treatment.plazi.org/id/D656431D-...
Publication: doi.org/10.3897/zook...
#ZooKeys #SoleichthysLabyrinthus
#FAIRdata
#OA #taxonomy #biodiversity #nature #conservation #animals #fauna #fish #TeamFish #ichthyology
New #sole from #china just surfaced:
Soleichthys labyrinthus
Treatment: treatment.plazi.org/id/D656431D-...
Publication: doi.org/10.3897/zook...
#ZooKeys #SoleichthysLabyrinthus
#FAIRdata
#OA #taxonomy #biodiversity #nature #conservation #animals #fauna #fish #TeamFish #ichthyology
2/ Notropis stilbius, NOT a tournament spawner with little sexual dimorphism and no territoriality. The Scarlet Shiner, Lythrurus fasciolaris (shown) is dimorphic, with larger aggressive males guarding territory. The optic tectum is enlarged in male Scarlets for vision processing. 🐟🌍🌿 #TeamFish
October 16, 2026 at 9:23 PM
2/ Notropis stilbius, NOT a tournament spawner with little sexual dimorphism and no territoriality. The Scarlet Shiner, Lythrurus fasciolaris (shown) is dimorphic, with larger aggressive males guarding territory. The optic tectum is enlarged in male Scarlets for vision processing. 🐟🌍🌿 #TeamFish
Phallotorynus victoriae
A tiny freshwater livebearer from South America, found in the lower and middle Paraná River drainage in Paraguay, Argentina, and Brazil (Mato Grosso do Sul).
Maximum size: 2.3 cm standard length (about 0.9 inches).
Photo credit: Liliana Ciotek 🌿🌍🐟 #TeamFish
A tiny freshwater livebearer from South America, found in the lower and middle Paraná River drainage in Paraguay, Argentina, and Brazil (Mato Grosso do Sul).
Maximum size: 2.3 cm standard length (about 0.9 inches).
Photo credit: Liliana Ciotek 🌿🌍🐟 #TeamFish
October 14, 2026 at 10:33 PM
Phallotorynus victoriae
A tiny freshwater livebearer from South America, found in the lower and middle Paraná River drainage in Paraguay, Argentina, and Brazil (Mato Grosso do Sul).
Maximum size: 2.3 cm standard length (about 0.9 inches).
Photo credit: Liliana Ciotek 🌿🌍🐟 #TeamFish
A tiny freshwater livebearer from South America, found in the lower and middle Paraná River drainage in Paraguay, Argentina, and Brazil (Mato Grosso do Sul).
Maximum size: 2.3 cm standard length (about 0.9 inches).
Photo credit: Liliana Ciotek 🌿🌍🐟 #TeamFish
Pátzcuaro allotoca (Allotoca diazi)
is a critically endangered poeciliid livebearer native to Mexico. This beautiful species is rarely seen in the aquarium hobby, making fish from private collections particularly special.
Photograph by Joel Sartore, and thanks to John Hansen.
🐟🌍 #TeamFish
is a critically endangered poeciliid livebearer native to Mexico. This beautiful species is rarely seen in the aquarium hobby, making fish from private collections particularly special.
Photograph by Joel Sartore, and thanks to John Hansen.
🐟🌍 #TeamFish
October 10, 2026 at 7:16 PM
Pátzcuaro allotoca (Allotoca diazi)
is a critically endangered poeciliid livebearer native to Mexico. This beautiful species is rarely seen in the aquarium hobby, making fish from private collections particularly special.
Photograph by Joel Sartore, and thanks to John Hansen.
🐟🌍 #TeamFish
is a critically endangered poeciliid livebearer native to Mexico. This beautiful species is rarely seen in the aquarium hobby, making fish from private collections particularly special.
Photograph by Joel Sartore, and thanks to John Hansen.
🐟🌍 #TeamFish
Rainbow Characodon
Characodon sp. 1
Native Range: Durango, Mexico
A beautiful and very rare Goodeid from the springs and spring-fed waters of Durango, Mexico. This fish is currently considered critically endangered in the wild.
Photo: Juan Carlos Merino 🌍🐟🦑 #TeamFish
Characodon sp. 1
Native Range: Durango, Mexico
A beautiful and very rare Goodeid from the springs and spring-fed waters of Durango, Mexico. This fish is currently considered critically endangered in the wild.
Photo: Juan Carlos Merino 🌍🐟🦑 #TeamFish
October 7, 2026 at 9:42 PM
Rainbow Characodon
Characodon sp. 1
Native Range: Durango, Mexico
A beautiful and very rare Goodeid from the springs and spring-fed waters of Durango, Mexico. This fish is currently considered critically endangered in the wild.
Photo: Juan Carlos Merino 🌍🐟🦑 #TeamFish
Characodon sp. 1
Native Range: Durango, Mexico
A beautiful and very rare Goodeid from the springs and spring-fed waters of Durango, Mexico. This fish is currently considered critically endangered in the wild.
Photo: Juan Carlos Merino 🌍🐟🦑 #TeamFish
🐟🌲♻️ @jdkiernan.bsky.social This came up in my Instagram feed!! www.instagram.com/p/DeKN2mMGrUp/
#SciArt #TeamFish 🐡🦑🧪
#SciArt #TeamFish 🐡🦑🧪
Instagram
Create an account or log in to Instagram - Share what you're into with the people who get you.
www.instagram.com
October 7, 2026 at 2:44 PM
🐟🌲♻️ @jdkiernan.bsky.social This came up in my Instagram feed!! www.instagram.com/p/DeKN2mMGrUp/
#SciArt #TeamFish 🐡🦑🧪
#SciArt #TeamFish 🐡🦑🧪
Poecilia sarrafae
Pair collected in the Mearim River, Maranhão, Brazil.
Photo a friend of Rodrigo Rodrigues sent him. There are many Poecilia species, this is one I'm unfamiliar with. 🌍🐟 #TeamFish
Pair collected in the Mearim River, Maranhão, Brazil.
Photo a friend of Rodrigo Rodrigues sent him. There are many Poecilia species, this is one I'm unfamiliar with. 🌍🐟 #TeamFish
October 6, 2026 at 11:33 PM
Poecilia sarrafae
Pair collected in the Mearim River, Maranhão, Brazil.
Photo a friend of Rodrigo Rodrigues sent him. There are many Poecilia species, this is one I'm unfamiliar with. 🌍🐟 #TeamFish
Pair collected in the Mearim River, Maranhão, Brazil.
Photo a friend of Rodrigo Rodrigues sent him. There are many Poecilia species, this is one I'm unfamiliar with. 🌍🐟 #TeamFish
A new regional/state book is being published, "Oklahoma Fishes: A Regional Field Guide.' It's written by Bill Matthews and Edie Marsh-Matthews, photos by Brandon Brown. Pre-order is now available. You won't find more knowledgeable naturalists than the authors, especially about fishes. 🌍🌿🐟🦑 #TeamFish
Oklahoma Fishes
Oklahoma Fishes: A Regional Field Guide covers the identification, distribution, and ecology of the fish species that occur in the rivers, streams, and reser...
www.tamupress.com
October 7, 2026 at 11:02 PM
A new regional/state book is being published, "Oklahoma Fishes: A Regional Field Guide.' It's written by Bill Matthews and Edie Marsh-Matthews, photos by Brandon Brown. Pre-order is now available. You won't find more knowledgeable naturalists than the authors, especially about fishes. 🌍🌿🐟🦑 #TeamFish
Good news on the status of the Spanish Toothcarp, Aphanius iberus. The species is hanging on in the face of habitat degradation and interference from introduced Eastern Gambusia, Gambusia holbrooki. 🌍🐟🦑 #TeamFish
Rediscovering the Endangered Mediterranean Killifish <fi>Aphanius iberus</fi>: Environmental <fc>DNA</fc> Reveals Updated Distribution and Conservation Implications in Coastal Habitats
Key strongholds and successful reintroductions of the endangered Spanish toothcarp, as well as the discovery of remnant populations at some historical sites, were identified through environmental DNA...
onlinelibrary.wiley.com
October 6, 2026 at 10:29 PM
Good news on the status of the Spanish Toothcarp, Aphanius iberus. The species is hanging on in the face of habitat degradation and interference from introduced Eastern Gambusia, Gambusia holbrooki. 🌍🐟🦑 #TeamFish
Huh, this is a Goodeid I've never seen before. See ALT text for more.
BULLDOG GOODEID
Alloophorus robustus
Size: Up to about 5.6 inches (143 mm SL), with reports of even larger fish
Range: Central Mexico
Photo by Guenther Schleussner.
🌍🐟 #TeamFish
BULLDOG GOODEID
Alloophorus robustus
Size: Up to about 5.6 inches (143 mm SL), with reports of even larger fish
Range: Central Mexico
Photo by Guenther Schleussner.
🌍🐟 #TeamFish
October 4, 2026 at 9:58 PM
Huh, this is a Goodeid I've never seen before. See ALT text for more.
BULLDOG GOODEID
Alloophorus robustus
Size: Up to about 5.6 inches (143 mm SL), with reports of even larger fish
Range: Central Mexico
Photo by Guenther Schleussner.
🌍🐟 #TeamFish
BULLDOG GOODEID
Alloophorus robustus
Size: Up to about 5.6 inches (143 mm SL), with reports of even larger fish
Range: Central Mexico
Photo by Guenther Schleussner.
🌍🐟 #TeamFish
I want to recommend the used book seller Natural History Books. They have a good selection, and sell it at about 75% the rate of monopoly dealers like Amazon and Abe. 🧪🌍⚒️🐟 #TeamFish
September 30, 2026 at 11:43 PM
I want to recommend the used book seller Natural History Books. They have a good selection, and sell it at about 75% the rate of monopoly dealers like Amazon and Abe. 🧪🌍⚒️🐟 #TeamFish
If you want to see what NSF grants have been terminated or disrupted, here's an excellent tracker site. There's one for NIH too. 🧪🌍⚒️🐟 #TeamFish
National Science Foundation
An independent, up-to-date, grant-level record of federal science funding disruptions in the United States.
grantwitness.org
September 29, 2026 at 9:14 PM
If you want to see what NSF grants have been terminated or disrupted, here's an excellent tracker site. There's one for NIH too. 🧪🌍⚒️🐟 #TeamFish
As #SciArtSeptember draws to a close, what great #BestKidsFishBooks #FishBooksForKids with #TeamFish #SciArt can you recommend? Add your favorites below so we can make #BookSky #KidLit a fishier place everywhere 😍🐟🦑🐡🧪📚
List So Far: bit.ly/FishBooksForKids
Add a Title: bit.ly/BestKidsFishBooks
List So Far: bit.ly/FishBooksForKids
Add a Title: bit.ly/BestKidsFishBooks
BKAF Crowdsourcing Dossier: Best Fish Books for Kids (of All Ages)! (Responses)
bit.ly
September 29, 2026 at 3:48 PM
As #SciArtSeptember draws to a close, what great #BestKidsFishBooks #FishBooksForKids with #TeamFish #SciArt can you recommend? Add your favorites below so we can make #BookSky #KidLit a fishier place everywhere 😍🐟🦑🐡🧪📚
List So Far: bit.ly/FishBooksForKids
Add a Title: bit.ly/BestKidsFishBooks
List So Far: bit.ly/FishBooksForKids
Add a Title: bit.ly/BestKidsFishBooks
Several groups are working together to find the Stippled Studfish in the Tallapoosa Basin of Georgia. It’s still found in ‘bama in 6 or 7 streams but hasn’t been found in Georgia for >30 years. I wish them well, my guess is the area was degraded by logging over 150 years. 🌎🐟 #TeamFish
Saving the Stippled Studfish | Fundulus bifax Conservation in Georgia
YouTube video by Gerrin Ecological Services
youtu.be
September 25, 2026 at 7:43 PM
Several groups are working together to find the Stippled Studfish in the Tallapoosa Basin of Georgia. It’s still found in ‘bama in 6 or 7 streams but hasn’t been found in Georgia for >30 years. I wish them well, my guess is the area was degraded by logging over 150 years. 🌎🐟 #TeamFish
In the past, changes in Atlantic Ocean circulation have been shaped by atmospheric energy. #TeamFish
This @natgeosci.nature.com Research Briefing and associated paper definitely should join a few relevant Bluesky feeds, and not just the Oceanography feed! 👇🏻
🧪 ⚒️ 🌊 🦣
#PaleoSky
🧪 ⚒️ 🌊 🦣
#PaleoSky
🌊 Great explanation of a recent paper on the AMOC.
The big idea: during abrupt climate shifts in the last ice age, the ocean didn’t just move heat around. Changes in Atlantic circulation could affect how much heat the Earth system actually retained.
1/3
www.nature.com/articles/s41...
The big idea: during abrupt climate shifts in the last ice age, the ocean didn’t just move heat around. Changes in Atlantic circulation could affect how much heat the Earth system actually retained.
1/3
www.nature.com/articles/s41...
September 7, 2026 at 9:32 PM
In the past, changes in Atlantic Ocean circulation have been shaped by atmospheric energy. #TeamFish
Shimmering shoals of Lesser Sand Lance (Ammodytes tobianus) aka Sand Eels are a feature of the #Devon coast, here at Blackpool Sands. At night and in the colder months, they spend much of their time buried in sand for protection, resurfacing to feed and during spawning. #fish #teamfish #marinelife
September 6, 2026 at 11:02 AM
Shimmering shoals of Lesser Sand Lance (Ammodytes tobianus) aka Sand Eels are a feature of the #Devon coast, here at Blackpool Sands. At night and in the colder months, they spend much of their time buried in sand for protection, resurfacing to feed and during spawning. #fish #teamfish #marinelife
At Elberry Cove, delighted to meet this huge Tompot Blenny (Parablennius gattorugine), with its OTT antlers, as well as the ubiquitous Corkwing Wrasse (Symphodus melops) & young Atlantic Pollock (Pollachius pollachius). #MarineLife #Blenny #Teamfish #fish #nature #UKWildife #Fishes #wrasse
September 5, 2026 at 6:00 PM
At Elberry Cove, delighted to meet this huge Tompot Blenny (Parablennius gattorugine), with its OTT antlers, as well as the ubiquitous Corkwing Wrasse (Symphodus melops) & young Atlantic Pollock (Pollachius pollachius). #MarineLife #Blenny #Teamfish #fish #nature #UKWildife #Fishes #wrasse