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  2. Fish fin - Wikipedia

    en.wikipedia.org/wiki/Fish_fin

    Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish swim.Apart from the tail or caudal fin, fish fins have no direct connection with the back bone and are supported only by muscles.

  3. Fish locomotion - Wikipedia

    en.wikipedia.org/wiki/Fish_locomotion

    Most fish swim by generating undulatory waves that propagate down the body through the caudal fin. This form of undulatory locomotion is termed body-caudal fin (BCF) swimming on the basis of the body structures used; it includes anguilliform, sub-carangiform, carangiform, and thunniform locomotory modes, as well as the oscillatory ostraciiform ...

  4. Swimfin - Wikipedia

    en.wikipedia.org/wiki/Swimfin

    Swimfins, swim fins, diving fins, or flippers are finlike accessories worn on the feet, legs or hands [1] and made from rubber, plastic, carbon fiber or combinations of these materials, to aid movement through the water in water sports activities such as swimming, bodyboarding, bodysurfing, float-tube fishing, kneeboarding, riverboarding, scuba diving, snorkeling, spearfishing, underwater ...

  5. Fish anatomy - Wikipedia

    en.wikipedia.org/wiki/Fish_anatomy

    Anal fins: Located on the ventral surface behind the anus, this fin is used to stabilize the fish while swimming. Pectoral fins : Found in pairs on each side, usually just behind the operculum. Pectoral fins are homologous to the forelimbs of tetrapods, and aid walking in several fish species such as some anglerfish and the mudskipper .

  6. Aquatic locomotion - Wikipedia

    en.wikipedia.org/wiki/Aquatic_locomotion

    Some fish, such as sharks, use stiff, strong fins to create dynamic lift and propel themselves. It is common for fish to use more than one form of propulsion, although they will display one dominant mode of swimming [19] Gait changes have even been observed in juvenile reef fish of various sizes. Depending on their needs, fish can rapidly ...

  7. Fish - Wikipedia

    en.wikipedia.org/wiki/Fish

    A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.

  8. Bluegill - Wikipedia

    en.wikipedia.org/wiki/Bluegill

    The bluegill's caudal fin muscles are important in the fish's slow swimming and also important in the beginning stages of the fish increasing its swimming speed. [22] The dorsal and anal fins are two types of median fins that work in parallel to balance torque during steady swimming. [23]

  9. Fin and flipper locomotion - Wikipedia

    en.wikipedia.org/wiki/Fin_and_flipper_locomotion

    A species of mudskipper (Periophthalmus gracilis)Fin and flipper locomotion occurs mostly in aquatic locomotion, and rarely in terrestrial locomotion.From the three common states of matter — gas, liquid and solid, these appendages are adapted for liquids, mostly fresh or saltwater and used in locomotion, steering and balancing of the body.

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