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Chimaeras live in temperate ocean floors, with some species inhabiting depths exceeding 2,000 m (6,600 ft), [8] with relatively few modern species regularly inhabiting shallow water. Exceptions include the members of the genus Callorhinchus , the rabbit fish and the spotted ratfish , which locally or periodically can be found at shallower depths.
Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups. Ambiguous common names are accompanied by their possible meanings. Scientific names for individual species and higher taxa are included in parentheses.
World capture fisheries and aquaculture production by species group [1]. This is a list of aquatic animals that are harvested commercially in the greatest amounts, listed in order of tonnage per year (2012) by the Food and Agriculture Organization.
Artüz, M. Levent (January 1999). "Inventory of Existing Species and Their Habitats in the Bosphorus Area" (PDF). Marine Bio Abs.1: 112– 023. Archived from the original (PDF) on 7 June 2015.
List of fish of the North Sea consists of 201 species, both indigenous, and also introduced, listed in systematic index. It includes 40 species of Chondrichthyes, three species of Agnatha, the other are bony fishes. [1] The following tags are used to indicate the conservation status of species by IUCN's criteria:
Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, [1] whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfly species.
In an enclosed tank habitat, the fish's territorial, aggressive nature is heightened, so don't house angelfish with shy species that are intimidated by pushy, boisterous fish. [ 44 ] 75–82 °F (25–28 °C) [ 44 ]
The discovery rate of siphonophore species was slow in the 18th century, as only four additional species were found. [11] During the 19th century, 56 new species were observed due to research voyages conducted by European powers. [11] The majority of new species found during this time period were collected in coastal, surface waters. [11]