Fish

Latest Fish News and Research

New Chordata Olfactory Receptor Database Offers Insight into the Genetics of Scent

Olfactory receptors (ORs) are key to how animals perceive their surroundings, guiding behaviors like foraging, mating, and avoiding danger.

1 Jul 2025

Reactivating a Genetic Switch Restores Ear Regeneration in Mice

By flipping an evolutionarily disabled genetic switch involved in Vitamin A metabolism, researchers have enabled ear tissue regeneration in mice. Unlike some animals such as fish and salamanders, mammals have limited capacity to regenerate damaged tissues or organs fully.

27 Jun 2025

Genetically Similar Bacteria Show Unexpected Diversity in Shape and Behavior

Genetically similar bacteria can differ in shape and behavior, even in lab settings. A recent study shows that this variability impacts microbial fitness, virulence, and our understanding of gut microbiota.

26 Jun 2025

Newly Evolved Genes Found to Influence Human Cell Division

Every day, our bodies perform around 330 billion cell divisions to keep us alive and functioning. These divisions rely on the cell cycle, which has been in place since the earliest bacteria.

24 Jun 2025

Flipped DNA Segments Help Fish Rapidly Evolve into New Species

Researchers have found that chunks of 'flipped' DNA can help fish quickly adapt to new habitats and evolve into new species, acting as evolutionary 'superchargers'.

13 Jun 2025

Giant Viruses Discovered to Influence Marine Ecosystems and Algal Blooms

Giant viruses play a role in the survival of single-celled marine organisms called protists. These include algae, amoeba, and flagellates, that form the base of ocean food webs.

9 Jun 2025

Zebrafish Model Offers Hope for Treating Ultra-Rare Muscle Disease

Can a small fish help identify possible treatments for an ultra-rare inherited disease found in an Alabama boy? The genetic disease is XMEA, which progressively weakens the muscles and can affect the liver and heart.

6 Jun 2025

Cleaner Fish Stations and Their Effect on Reef Diversity

This study reveals how cleaner fish impact microbial diversity on coral reefs, highlighting their role in ecosystem health and potential pathogen transmission.

6 Jun 2025

New Bacterial Consortium can Inhibit Bacterial Pathogens in Aquaculture

A new study by Danish researchers has demonstrated that it is possible to develop a consortium of bacteria that can inhibit bacterial pathogens in aquaculture.

22 May 2025

Zebrafish Study Warns of Ecological Risk from Tire-Related Water Contaminants

Emerging contaminants from rubber tires N-(1,3-Dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD) and its oxidation product 6PPD-quinone (6PPDQ)-are raising new red flags for aquatic ecosystems.

20 May 2025

Role of LADs and Epigenetic Pathways in Nuclear Architecture During Early Mouse Embryo Development

A new study in Cell reveals that lamina-associated domains (LADs) in early mouse embryos are shaped by dynamic epigenetic pathways, highlighting how histone modifications and chromatin structure guide nuclear architecture during development.

6 May 2025

Shift Work Impairs Muscle Clocks, Potentially Speeding Up Age-Related Decline

Muscle cells possess their circadian clocks, and research indicates that disrupting these clocks through shift work can significantly affect the aging process.

6 May 2025

Guinea Pig Modeling To Study Human Preimplantation and Embryogenesis

Research on guinea pig embryos uncovers similarities to human embryogenesis, advancing understanding of preimplantation stages and reproductive techniques.

23 Apr 2025

Multifaceted Impact of Human Activities on Biodiversity

Research highlights the complex effects of human activities on biodiversity, urging conservation efforts to focus on vulnerable species and ecosystem health.

3 Apr 2025

Dscamb Protein Ensures Proper Spacing in Zebrafish Cone Cells

In vertebrate retinas, specialized photoreceptors responsible for color vision (cone cells) arrange themselves in patterns known as the "cone mosaic".

26 Mar 2025

Unraveling the Evolutionary Link to Eukaryotic Cells

A decade ago, the existence of Asgard archaea was unknown. However, in 2015, researchers analyzing deep-sea sediments uncovered gene fragments that suggested the presence of a new, previously unidentified group of microbes.

24 Mar 2025

New Database Provides Insights into snoRNA Expression in Zebrafish

Small nucleolar RNAs (snoRNAs) are non-coding RNA molecules whose role in gene regulation and their association with certain diseases, such as inflammatory bowel disease (IBD) or colorectal cancer, has only recently become known.

20 Mar 2025

New Chromosome Identification System Revolutionizes Alfalfa Research

In a recent study, scientists have developed a revolutionary chromosome identification system for alfalfa, one of the world's most economically vital forage crops.

19 Mar 2025

Fruit Fly Study Reveals Temperature's Role in Brain Development and Behavior

The rate of development of poikilothermic animals, such as insects, fish, and reptiles, is determined by environmental temperature.

14 Mar 2025

Ancient Fish Fossils Reveal Synovial Joints Evolved Millions of Years Earlier Than Thought

Recent research reveals that synovial joints originated in early jawed fish, reshaping our understanding of vertebrate skeletal evolution and movement.

7 Mar 2025