Webjellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria), a group of invertebrate animals composed of about 200 described species, or of the class Cubozoa (approximately 20 species). The term is … WebClass Actinopterygii (ray-finned fishes), in existence since the Early Devonian, is the largest class of fishes with about 26,900 living species. Actinopterygians comprise three evolutionary radiations: Chondrostei, holostean, and Teleostei. Ichthyologists emphasize the skeleton in classification, but studies also include head and body length, teeth, fin rays, …

Betta - Wikipedia

WebJun 6, 2024 · Examples of aquatic animals identified as fish centuries ago are shellfish, cuttlefish, starfish, crayfish and jellyfish. However, a few others included seals, whales, amphibians, crocodiles. WebA puffer would prefer to escape predators by swimming into a crevice. Porcupinefish can also inflate their bodies with water or air, but these fishes are also armed with well-developed spines from head to tail. These spines, which can be up to 5 cm (2 in.) long, make the porcupine fish even more difficult to attack. go to four

Fish - Wikipedia

WebApr 17, 2024 · Con: the fish seemed fried and not grilled, the salad lettuce seemed old, and the food is pricey for sure. Oh well! See all photos from … WebPerch is a common name for fish of the genus Perca, freshwater gamefish belonging to the family Percidae.The perch, of which three species occur in different geographical areas, lend their name to a large order of … go to four pillars