WebMar 31, 2024 · fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes … WebMar 27, 2024 · The first type of tooth shown, the canine, is typical of most carnivores. The canine is a long tooth that is generally shaped like a cone and is either straight or …
Fish Morphology - Sea Grant
WebMay 26, 2024 · Fish body shapes can be broken up into three distinct groups– extreme accelerating (e.g. mulloway), extreme cruising (e.g. tuna) and extreme manoeuvring (e.g. angelfish). ... The mouth size and … WebMar 15, 2024 · The cephalaspids had one or two dorsal fins and an anal fin, as well as a pair of primitive pectoral fins. By the time of the placoderms, pelvic fins had also evolved. The shape and structure of a fish’s fins reflect both its lifestyle and its evolution. The fins of modern fish come in an amazing array of shapes and forms, however many of ... income maintenance worker 3
How to Draw a Fish: 15 Steps (with Pictures) - wikiHow
WebOct 16, 2024 · The term fish vertebrae is attributed to Fuller Albright (1900-1969), American endocrinologist. In 1941, he used the term to describe the likeness of the biconcave shape of the human vertebrae to the … Web10) Spherical: sedentary, swelling in case of danger, fish: ball fish (Sphaeroides), hedgehog fish (Diodon) . 11) Asterolepid (or box-like): fish are covered with a bony shell that rescues from predators. These are … WebMouth shapes. The size and position of mouths of fishes differ and there can also be differences in the relative sizes of their upper and lower lips. The mouth can be right at … income maintenance worker job description