A giraffe seahorse (Hippocampus camelopardalis ).
Louw Claassens
Sub-Saharan Africa is home to many weird and wonderful seahorses and pipefish. But they’re under threat.
The estuarine pipefish is not easy to find - it camouflages itself amid seagrass.
Louw Claassens
Environmental DNA like skin cells, blood and faeces can be extracted from water, soil, ice or air to provide a good snapshot of an ecosystem.
Charlotte Bleijenberg / Shutterstock
Seahorse fathers use different muscles and hormones to give birth than female animals.
Shutterstock
We examined male seahorse pouches under the microscope at different stages of pregnancy, and found they develop complex placental structures over time — in similar ways to human pregnancy.
Many seahorses mate for life, and males are always pregnant.
Steven L Gordon/Shutterstock
Fascinating facts about this unusual fish include that it doesn’t swim very well. A marine expert reveals why
A juvenile Hippocampus nalu.
Richard Smith
South Africa is home to four other seahorse species, but this was the first time a pygmy seahorse had been observed in South Africa, let alone Africa.
Two adult seahorses living on the seahorse hotels four months after the hotels were deployed.
White’s seahorse in Sydney uses seahorse hotels as temporary residence while their natural habitats recover.
Seahorse in aquariums and the wild can be photographed safely.
BARBARA WALTON/EPA
Contrary to dozens of aquariums’ warning signs, flash photography does not affect seahorses.
Seahorse dads can give birth to more than 1000 baby seahorses at once.
Cindy Zhi/The Conversation NY-BD-CC
The seahorse dads carry the babies in a pouch.
Biofluorescence makes researching cryptic species such as this Lizardfish easier and less harmful.
Maarten De Brauwer
Much of the world’s ocean is teeming with ‘cryptic’ fish species, which are small and hard to spot. But a new technique shines a light on these fish, which may in turn help to keep our seas healthy.