But for a fish that spends its life ... Look for color trends in the guppies. These may vary relative to the presence or absence of specific predator species in the pools.

Not only have guppy numbers more than doubled under the relatively low level of predation, but also, after only four guppy generations, the percentages of drab males to bright males have evened ...

Beyond the usual goldfish and guppies, here are ten unique and captivating fish species that can bring an element of the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The best types of fish for first-time owners are fuss-free, easy to maintain, and hardy.

The world’s your oyster, so they say... Let’s take a look at a range of types of saltwater aquarium fish, both common and rare, affordable and budget-busting. This classic saltwater aquarium ...

Trying to objectively test intelligence in any animal species is going to be a challenge, but doing it for fish seems almost ...

New 'Grumpy' Fish Species Discovered in the Red Sea Sep. 16, 2024 — Scientists have discovered a new species of fish, the 'grumpy dwarfgoby'. Found among coral reefs in the Red Sea, it has large ...

Trout's a great oily fish and as this recipe shows, can often be used as a substitute for salmon Do we stick to the same five species because we’re unadventurous? Not at all, says marine and ...

such as the fish's faeces or any parasites on its body. Aphids are little sap-sucking insects that secrete honeydew, a sugary liquid that is the waste product of their diet. Many aphid species are ...

A keystone in an arch's crown secures the other stones in place. Keystone species play the same role in many ecological communities by maintaining the structure and integrity of the community.