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Fish

Survival Koi, Carp, Catfish, Shark, Frog Hunting Eel Primitive Fish In Mud - STOP MOTION ASMR Coco

Crocodile Hunting Koi fish carp catfish competing for the golden eggs | Fish stop motion ASMR

Stop motion ASMR | Crocodile catfish eel hunting colorful koi fish and rainbow carp 스톱 모션

LIVE : తెలంగాణలో కురుస్తున్న చేపల వర్షం | Fish Rain in Telangana | 10TV News

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Betta Koi Pleco Snail Carp Fish Goldfish Angelfish Guppy Guppies Catfish animals Videos

Fish are gill-bearing aquatic craniate animals that lack limbs with digits. They form a sister group to the tunicates, together forming the olfactores. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Tetrapods emerged within lobe-finned fishes, so cladistically they are fish as well. However, traditionally fish are rendered paraphyletic by excluding the tetrapods. Because in this manner the term "fish" is defined negatively as a paraphyletic group, it is not considered a formal taxonomic grouping in systematic biology. The traditional term pisces is considered a typological, but not a phylogenetic classification.
    • Evolution 

    • Diversity 

    • Anatomy and physiology