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Acta Ichthyologica et Piscatoria
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Open-access, peer-reviewed journal in ichthyology and fisheries

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🐟 New study finds canola & safflower oil can fully replace fish oil in Black Sea trout feed without hurting growth, cutting feed costs 12-13%. But muscle omega-3 levels drop with plant oil use. Canola offers a more balanced fatty acid profile than safflower.

doi.org/10.3897/aiep...
Dietary substitution of fish oil with plant oils in juvenile black sea trout Salmo labrax (Actinopterygii, Salmoniformes, Salmonidae): Implications for growth, lipid metabolism, and tissue fatty acid ...
Global fish oil production has plateaued while salmonid aquaculture expands, creating urgent demand for sustainable alternative lipid sources. This study evaluated the effects of replacing dietary fis...
doi.org
September 4, 2026 at 8:59 AM
aiep.pensoft.net
🐟The first stock assessment of bullet #tuna & little tunny in the central Mediterranean, shows that Bullet tuna is critically #overfished (biomass at just 8% of unexploited levels, 42% juveniles in catch); little tunny overfished but less severely.

Full study: doi.org/10.3897/aiep...
August 18, 2026 at 10:02 AM
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First record of the #goby Tomiyamichthys oni from Ulleung Island, Korea, based on a 41.9 mm specimen. Distinguished from T. elliotensis by irregular brown spots and confirmed via COI.

Full study: doi.org/10.3897/aiep...
August 13, 2026 at 12:03 PM
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🐠 Four species of marine ornamental fish have been recorded from western Sumatra, Indonesia for the first time on the basis of voucher specimens, with their distributional ranges now updated to include this region: doi.org/10.3897/aiep.56.194913
August 3, 2026 at 7:48 AM
aiep.pensoft.net
🎉 A warm welcome to Yuriy Kvach, who has joined our team as a new Subject Editor!

➡️ Discover more about his background and research interests here: aiep.pensoft.net/news/1344
Acta Ichthyologica et Piscatoria
ACTA ICHTHYOLOGICA ET PISCATORIA (AIeP) is an international, peer-reviewed scientific journal that publishes articles based on original experimental data or experimental methods, or new analyses of al...
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July 17, 2026 at 3:02 PM
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🎣Pearl mullet makes up ~25% of Türkiye's inland #fish catch. New research on Lake Van tested different fishing nets and found 24mm monofilament gillnets are most effective, helping guide sustainable #fishing practices for local communities.

Learn more: doi.org/10.3897/aiep...
Comparative selectivity of monofilament and multifilament gillnets for pearl mullet, Alburnus tarichi (Actinopterygii, Cypriniformes, Alburninae), in Lake Van
Approximately 25% of annual inland capture fish production in Türkiye is from pearl mullet, Alburnus tarichi (Güldenstädt, 1814), which is an endemic species to the Lake Van Basin. Therefore, sustaina...
doi.org
July 15, 2026 at 11:30 AM
aiep.pensoft.net
A novel intersex Chinese mitten #crab (Eriocheir sinensis) from Nanjing is described: female external phenotype, but with male first gonopods present.

Hormonal/environmental causes discussed, adding new data on crustacean sex differentiation and intersex phenomena: doi.org/10.3897/aiep...
July 14, 2026 at 10:41 AM
aiep.pensoft.net
First record of the #loach Misgurnus mohoity in South Korea! Distinguished by body shape & genetics from other Korean congeners, with strong genetic ties to Russian, Chinese & North Korean populations.

Full #opeanaccess study: doi.org/10.3897/aiep...
New record of Misgurnus mohoity (Actinopterygii, Cypriniformes, Cobitidae) from South Korea
Misgurnus mohoity (Dybowski, 1869) is recorded for the first time from the Korean Peninsula based on specimens collected from South Korea. It is distinguished from other Korean Misgurnus by the follow...
doi.org
July 9, 2026 at 11:59 AM
aiep.pensoft.net
New study on skipjack #tuna in Indonesia's Palabuhanratu Bay (2019-2023) finds catch rates linked to ocean conditions, higher catches with cooler water, lower salinity & more chlorophyll-a. Combining physical + #biogeochemical #data improved predictions: doi.org/10.3897/aiep...
July 8, 2026 at 4:13 PM
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Two #deepsea #flatfish species, Poecilopsetta colorata & P. praelonga, have been recorded in Japan for the first time, likely carried north by the Kuroshio Current as larvae.
Read the full study here: doi.org/10.3897/aiep...

#ichthyology #marinebiology #taxonomy
Fresh specimen of Poecilopsetta praelonga Fresh specimens of Poecilopsetta colorata from Japan.
June 29, 2026 at 3:21 PM
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📈 Big news for Acta Ichthyologica et Piscatoria!

🔹2025 #Scopus CiteScore: 1.9, ranks in Q2 in #AnimalScience & Zoology

🔹2025 Journal Impact Factor: 1.3 (up from 1.0) - moving from Q3 to Q2 in #Zoology (Web of Science)

Read more on the journal homepage 🐟

aiep.pensoft.net/news/1276

#publishing
Acta Ichthyologica et Piscatoria Improves Impact Factor, Moves Into Q2
The 2025 Scopus CiteScore for Acta Ichthyologica et Piscatoria has been released, reporting a value of 1.9. It also ranks in Q2 for the category Animal Science and Zoology in Scopus.Further, the journ...
aiep.pensoft.net
June 19, 2026 at 10:06 AM
Reposted by Acta Ichthyologica et Piscatoria
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A new study comparing two #eDNA methods for detecting fish found they work best in combination and that a low-cost filter made from everyday materials often outperformed conventional lab equipment in terms of species detection: doi.org/10.3897/mbmg...

@ucddublin.bsky.social

#FishMonitoring
June 16, 2026 at 2:22 PM
aiep.pensoft.net
🐟 Two species of cusk eel have been recorded from Nha Trang, Vietnam, with Neobythites nanhaiensis representing the northernmost known occurrence of the species and Grammonus robustus filling an unknown distributional gap between the Philippines and eastern Australia: doi.org/10.3897/aiep.56.197399
June 15, 2026 at 1:39 PM
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From South Africa to India's Palk Bay: Our latest paper documents the South African bigeye dragonet (Synchiropus monacanthus) extending its known distribution eastward by 2,500 km into Indian waters! This discovery adds a second Synchiropus species to India's marine fauna.
🔗 doi.org/10.3897/aiep...
June 8, 2026 at 7:23 AM
aiep.pensoft.net
🎉 We are pleased to welcome Dr. Sanny David Lumayno as a new Subject Editor in our open-access journal!

➡️ Learn more about his expertise here: aiep.pensoft.net/news/1250
Dr. Sanny David Lumayno joins Acta Ichthyologica et Piscatoria as a new Subject Editor
Dr. Sanny David Lumayno is an Aquaculturist and Associate Professor at the Institute of Aquaculture, College of Fisheries and Ocean Sciences, University of the Philippines Visayas. His research intere...
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June 3, 2026 at 6:23 AM
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🦐 Can #shrimp head meal replace fishmeal in milkfish (Chanos chanos) fry diets? Up to 25% substitution matched the control in growth, feed efficiency, and survival, but higher inclusion levels (≥50%) saw significant declines across all three.

Full #OA article here doi.org/10.3897/aiep...
June 1, 2026 at 1:23 PM
Reposted by Acta Ichthyologica et Piscatoria
mbmg.pensoft.net
A new study investigates the availability of intact fish cells in water as a source of high-quality eDNA, using live and dead Rainbow Trout. Dead fish released significantly more total and intact-cell #eDNA - these findings provide implications for environmental genetics and biodiversity monitoring
Live and dead fish shed different amounts of intact cells: Implications for advancing environmental DNA methodologies
Environmental DNA (eDNA) analysis has significantly contributed to biodiversity monitoring due to its sampling simplicity and inherent high sensitivity. While the technique has matured considerably fo...
doi.org
June 1, 2026 at 7:07 AM
aiep.pensoft.net
This research paper represents the first year-round study of the Naujan white #goby (Glossogobius aureus) from the Philippines, providing practical implications for #aquaculture.

Curious? Learn more: doi.org/10.3897/aiep...
May 29, 2026 at 3:04 PM
aiep.pensoft.net
🎉 We are delighted to welcome Dr. Ivan Špelić as a new Subject Editor!

➡️ Learn more about his expertise here:
aiep.pensoft.net/news/1244
Dr. Ivan Špelić joins Acta Ichthyologica et Piscatoria as a new Subject Editor
Ivan Špelić is a Senior Assistant (postdoctoral teaching and research position) at the Department of Fisheries, Apiculture, Wildlife Management and Special Zoology, University of Zagreb Fa...
aiep.pensoft.net
May 21, 2026 at 2:31 PM
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🦈A new study on the chain dogfish (Scyliorhinus retifer) from the Gulf of Mexico reveals clear sexual dimorphism - in body measurements and even in the density and shape of their tiny skin scales.

Find out more in our #OA article: doi.org/10.3897/aiep...

#Ichthyology #MarineBiology
May 21, 2026 at 2:06 PM
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New study found that cottonseed kernel powder can replace up to 10% of #fishmeal in juvenile goldfish diets with no significant impact on growth, feed efficiency, or survival over 90 days. Is this the future of #sustainable feed options for #aquaculture?

#OA study here: doi.org/10.3897/aiep...
Effects of dietary glandless cottonseed kernel powder as a partial fishmeal substitute on growth performance and feed efficiency of juvenile goldfish, Carassius auratus (Actinopterygii, Cypriniformes,...
This study investigated the effects of adding glandless cottonseed kernel powder (GCKP) to the diets of juvenile goldfish, Carassius auratus (Linnaeus, 1758), as an alternative plant protein source to...
doi.org
May 18, 2026 at 6:53 AM
aiep.pensoft.net
New study on gilthead #seabream found Atlantic-origin fish trended toward better growth & feed efficiency than Mediterranean #fish under cage farming - but statistical correction changed that.

Learn all the details here: doi.org/10.3897/aiep...
May 14, 2026 at 2:00 PM
aiep.pensoft.net
The Abu #mullet (Planiliza abu) is establishing in the southern Caspian Sea region, as well as its spread into inland #waters. New research shows that the species’ known range is expanding northward toward a cool temperate climate, extending beyond its previously known range in southern Iran:
New geographical records of subtropical abu mullet, Planiliza abu (Actinopterygii, Mugiliformes, Mugilidae), in the southern Caspian basin: Evidence of occurrence and range expansion of a subtropical ...
In the summer of 2024, an unrecognized mullet species was reported to occur in considerable abundance in the shallow areas of the southeastern Caspian Sea. Since accurate species identification is ess...
doi.org
May 7, 2026 at 2:21 PM
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🐟 The Benguela hake (Merluccius polli), typically found along the Atlantic coast of Africa, has been recorded in the Gulf of Cádiz for the first time - hinting at a northward range expansion linked to tropicalization of the region: doi.org/10.3897/aiep...
May 4, 2026 at 7:34 AM
aiep.pensoft.net
🧬The complete mitochondrial genome of 𝘈𝘤𝘩𝘦𝘪𝘭𝘰𝘨𝘯𝘢𝘵𝘩𝘶𝘴 𝘪𝘮𝘣𝘦𝘳𝘣𝘪𝘴, a small freshwater #fish from the Yangtze and Yellow River systems, has been sequenced - offering new insight into the #evolutionary relationships of bitterling fishes:
doi.org/10.3897/aiep...

#genetic #study
April 30, 2026 at 2:23 PM