• Thumbnail for Fish fin
    from the tail or caudal fin, fish fins have no direct connection with the spine and are supported only by muscles. Fish fins are distinctive anatomical...
    89 KB (7,622 words) - 18:24, 21 May 2024
  • Thumbnail for Fish anatomy
    features of the fish, the fins, are composed of either bony or soft spines called rays which, with the exception of the caudal fins, have no direct connection...
    88 KB (10,952 words) - 17:57, 19 April 2024
  • Thumbnail for Actinopterygii
    Greek πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of...
    47 KB (3,632 words) - 10:14, 10 April 2024
  • Thumbnail for Fin
    other fluids. Fins are also used to increase surface areas for heat transfer purposes, or simply as ornamentation. Fins first evolved on fish as a means...
    60 KB (4,733 words) - 03:24, 27 March 2024
  • Thumbnail for 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...
    101 KB (10,034 words) - 20:31, 18 May 2024
  • Thumbnail for Sarcopterygii
    bony fish commonly referred to as lobe-finned fish, and tetrapods. They are characterised by prominent muscular limb buds (lobes) within their fins, which...
    36 KB (2,612 words) - 13:43, 11 May 2024
  • Thumbnail for Dorsal fin
    bones that support the base of the dorsal fin in fish are called pterygiophores. The main purpose of the dorsal fin is to stabilize the animal against rolling...
    7 KB (819 words) - 23:18, 20 May 2024
  • "Fish-Fin" is a designation or nickname given by Mayanist epigraphers (inscription scholars) to a personage whose undeciphered name-glyph appears in the...
    2 KB (290 words) - 02:07, 22 May 2019
  • Fin rot is a symptom of disease or the actual disease in fish. This is a disease which is most often observed in aquaria and aquaculture, but can also...
    3 KB (417 words) - 10:21, 11 April 2024
  • Thumbnail for Pelvic fin
    Pelvic fins or ventral fins are paired fins located on the ventral (belly) surface of fish, and are the lower of the only two sets of paired fins (the other...
    6 KB (678 words) - 15:43, 6 February 2024