Are seahorses the ocean's quirkiest fish?
31 May 2019
With armoured bodies, curly tails and limited swimming ability, seahorses are a group of fish quite unlike any other.
New species of subterranean fish named after Lord of the Rings character
9 May 2019
It has been named after Gollum due to its underground lifestyle.
Do sharks lay eggs?
23 April 2019
Although most sharks give birth to live young, a few lay oddly shaped eggs that occasionally wash up on beaches.
Fishy faces, fur and feathers
23 January 2019
Meet some faces that only an ichthyologist could love and catch up on the latest natural history news.
Over 270 new species discovered in 2018
27 December 2018
They include new dinosaurs, an ancient wombat and a giant shark.
Shark evolution: a 450 million year timeline
13 December 2018
Evolving before trees and weathering five mass extinctions, sharks are true survivors.
Specimen stores and lights at night
12 December 2018
Find out what can happen when fieldwork doesn't go exactly as planned, and how to do a simple DIY science project at home.
Patrick Campbell on being young and black in science
7 November 2018
When Patrick started caring for the Museum's fish specimens, he became one of the institution's first black curators.
You are probably completely unaware of the largest wildlife crime in Europe
11 October 2018
The illegal trade of European eels is worth up to £3.5 billion a year.
More than a quarter of fish in the Thames Estuary are eating plastic
9 October 2018
A study has found that 28% of fish living in the Thames Estuary have eaten microplastics.
New species of blind eel that burrows through the soil discovered
17 September 2018
The fish burrows underground and breaths through the lining of its mouth.
Megalodon: the truth about the largest shark that ever lived
6 August 2018
Just how big was megalodon and could this giant predator still be lurking in the dark depths of the ocean?
What lies beneath?
13 June 2018
Watch for an exclusive peek behind the scenes at the Museum's Tank Room.
Dredged from the deep: huge donation of specimens arrives from the ocean floor
8 June 2018
Thousands of ocean animal specimens have joined the Museum's collections, including a group of rare anglerfish.
The problem of sea lice in salmon farms
27 April 2018
Salmon farms are known to experience outbreaks of sea lice. But fixing the problem is far from simple.
Why the Coral Triangle is the most important part of the ocean
28 March 2018
It's the most diverse part of the ocean, but plenty of people have never heard of it.
Orla Doherty on science in the sea and Blue Planet 2
13 February 2018
An expert in underwater filming, Orla Doherty is one of the lucky few to have explored the deepest parts of the ocean.
How to restore a 135-year-old-sunfish
26 January 2018
Find out what it takes to care for an enormous, scientifically irreplaceable fish.
Smiling for the camera
22 January 2018
Appearing to flash a toothy grin, this hammerhead seems eager to show that sharks aren't as fearsome they're often made out to be.
What is a parasitic isopod?
6 November 2017
Can you spot the extra eyes in this photo?
The fish that's also a pearl
26 September 2017
Watch Andreia Salvador, Curator of Marine Mollusca, take a look at one of the Museum's most extraordinary and precious pearls.
The fishes of the deep sea
12 September 2017
The deep ocean houses an ecosystem that has learned to thrive without sunlight or warmth. Welcome to the abyss.
The cannibal rays that eat fellow fish
6 September 2017
CT scans have revealed that the species of ray called giant guitarfish is cannibalistic. Until now, scientists never knew its true eating habits.
The bizarre love life of the anglerfish
14 August 2017
Watch a fish curator get up close and personal with one of the deep sea's most unusual partnerships.
The art of preserving a fish
3 August 2017
Find out how Museum scientists used a new technique to preserve this enormous blue marlin forever.
Pickle jars and precious specimens
23 March 2016
Step behind the scenes of the Museum’s spirit collection with curators Oliver Crimmen and James Maclaine.
Shark genes could reveal how to grow new human teeth
17 February 2016
An investigation into how sharks repeatedly regenerate their teeth has found the crucial network of genes, potentially paving the way for medical breakthroughs in the future.
Ancient sawfish fossil sheds light on tooth evolution
6 October 2015
Detailed 3D X-ray images of the saw-like nose of Schizorhiza stromeri challenge the classical theory that vertebrate teeth evolved from external scales.
Fishing for new life
1 August 2015
Meet some of the strange life forms that Museum scientists are uncovering in the peat swamps of southeast Asia.
Amazonian artwork by pioneers of evolutionary theory now online
7 July 2015
Scientific artwork by Alfred Russel Wallace and Henry Walter Bates - two of the most important nineteenth-century biologists and natural history collectors - is available online for the first time.
Two fishes named after Museum scientists
18 May 2015
Fish experts Oliver Crimmen and Ralf Britz have had species named for them to honour their work and dedication.
Mystery of the hairy anglerfish’s huge stomach
8 May 2015
Follow Museum scientists as they solve the decade-long mystery of a rare anglerfish’s bulging stomach.
Ancient sea saw arrives at the Museum
27 January 2015
An exceptional example of the saw-like nose of an extinct fish has made its way into the Museum’s collection.
Evolution pioneer’s illegible notebook brought back to life
20 November 2014
Hyperspectral imaging allows us to read for the first time one of Alfred Russel Wallace's notebooks that was ruined in a shipwreck.
The fishy origins of sex
20 October 2014
The world's oldest vertebrate sex organs, found in 385-million-year-old fish, prove sex is a lot older than we thought.
Rare Greenland shark specimen preserved at the Museum
8 September 2014
The first complete Greenland shark specimen has been preserved for research at the Museum after washing up on a Northumberland beach last autumn.
Different on the inside
18 July 2014
In a rare case of internal differences between the sexes, the males of one fish genus have a swimbladder up to 98 times the volume of the females'.
New miniature fish discovered
1 July 2014
A new fish species measuring up to 15.4mm has been discovered in the Rio Negro in Brazil.
Letter from 1909 could solve missing fish riddle
26 March 2014
Document found in Museum's archive suggests the river blenny was wiped out on Cyprus.
Size matters as fish species splits in two
3 March 2014
Evolution in action as small fish in a big pond lose out.