Tiny prehistoric fish discovered, unlocks origins of catfish and carp

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EDITOR'S NOTE

"Yesterday, we hosted our second-ever World Trout Culture Summit! It was great to see such lively discussions about the world of trout. For those who missed it, we'll have a recap story for you soon to share some highlights from the day."

Jean Ko Din, Editor

News

Low spawning success for striped bass in Maryland's Chesapeake Bay

For seven consecutive years now, an annual survey in Chesapeake Bay, Maryland has shown low spawning success for striped bass. The Maryland Department of Natural Resources’ (DNR) 2025 juvenile striped bass survey, which tracks reproductive...

Tiny prehistoric fish discovered, unlocks origins of catfish, carp

The newly discovered fossil of a tiny fish in southwestern Alberta is providing insight into a supergroup of fish that includes catfish, carp, and tetras. Together this group of fish, called otophysans, makes up two-thirds...

Onda expands Tenacibaculum suite of study models

Canadian aquatic containment facility, Onda, is adding two disease study models to their extensive suite of models for Tenacibaculum. The additional models, for Tenacibaculum dicentrarchi and Tenacibaculum finnmarkense, complement Onda’s challenge model offerings to address Tenacibaculum, one...

Alaska Mariculture Cluster funds Kelp Ark to cultivate seed bank

The Alaska Mariculture Cluster (AMC) is committing US$199,393 to non-profit Kelp Ark, to foster gametophyte seed banking for Alaskan kelp. As part of the grant, researchers at Kelp Ark and University of Alaska Fairbank (UAF)’s...

Features

Recirc in Action: DIY manufacturing for RAS success

While scrolling on your phone, you’ve probably seen applications of amazing technologies created by advanced manufacturing methods like computer numerical control (CNC) machining and 3D printing. Examples range from prosthetic hand replacements to 3D-printed shoes. ...

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The Ocean

Marine heatwaves are dramatically affecting ocean life: study

Research from the University of Victoria (UVic) in British Columbia, Canada shows how heatwaves can have a major impact on marine ecosystems. From 2014 to 2016, the North American Pacific coast experienced its longest heatwave...

NOAA study says ocean acidification rising higher than safe limits

A study warns that the ocean’s acidification levels have surpassed the safe limits of marine operation. The research, published in the Global Change Biology journal, has found that this degree of ocean acidification could explain...