For a general article about all 3 kokopu. Kokopu are a group of three fish found in the rivers lakes and swamps of New Zealand and is unique to that land
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| Galaxias argenteus (Gmelin, 1789) |
The giant kokopu, Galaxias argenteus, is a galaxiid of the genus Galaxias, found only in New Zealand. The Galaxiids are a family of mostly small freshwater Fish. Representatives occur throughout the southern hemisphere including South Africa, South America A genus (plural genera from Γένος Latin genus "descent family type gender" is a low-level Taxonomic New Zealand is an Island country in the south-western Pacific Ocean comprising two main landmasses (the North Island and the South Island It grows to a length of up to 45 cm and is the largest member of the Galaxiidae family. It was the first member of the Galaxiidae family to be discovered, and it was its colour pattern that led to the generic name Galaxias, referring to the profusion of stars in the galaxy. It is also one of the five species that occur in the whitebait runs that enter New Zealand rivers each spring. This article is concerned with whitebait as the juvenile of various species of fish around the world for other uses of the term see Whitebait (disambiguation.
The single dorsal and anal fins are large, rounded, and set back close to the large square caudal fin. A dorsal fin is a Fin located on the backs of some Fishes Whales Dolphins and Porpoises as well as the (extinct The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved The pelvic fins are also large. The Anatomy of Fish is primarily governed by the physical characteristics of Water, which is much denser than air holds a relatively small amount of dissolved Like all galaxiids it lacks scales and has a thick, leathery skin covered with mucus. In most biological nomenclature a scale ( Greek lepid, Latin squama) is a small rigid plate that grows out of an Animal In vertebrates mucus is a slippery secretion produced by and covering Mucous membranes It is a viscous Colloid containing Antiseptic enzymes (such as
Giant kokopu are primarily a coastal species and do not usually penetrate inland very far. Like banded kokopu and koaro, they can establish land-locked populations as in Lake Brunner near Greymouth. For a general article about all 3 kokopu. The banded kokopu, Galaxias fasciatus, is a Galaxiid of the Genus The Climbing galaxias, Galaxias brevipinnis, is a Galaxiid of the fish genus Galaxias found in Australia, New Zealand and nearby Lake Brunner is the largest lake in the northwestern South Island of New Zealand, covering an area of 40 km² Greymouth is the largest town in the West Coast region on the South Island of New Zealand, and the seat of the Grey District Council
They prefer slow flowing or still waters such as lakes and swamps, and are usually associated with some form of instream cover like overhanging vegetation, logs, or debris clusters. It is thought they lurk quietly in this cover awaiting their prey, which ranges from koura to terrestrial insects such as spiders and cicadas. Crayfish, crawfish, crawdads, or crodgers are freshwater Crustaceans resembling small Lobsters to which they are closely Insects ( Class Insecta) are a major group of Arthropods and the most diverse group of Animals on the Earth with over a million described Spiders are Predatory Invertebrate Animals that have two body segments, eight legs no chewing mouth parts and no wings A cicada is an Insect of the order Hemiptera, suborder Auchenorrhyncha, in the superfamily Cicadoidea, with large eyes wide apart on the
References
- McDowall & Simons (1996). Galaxias argenteus. 2006 IUCN Red List of Threatened Species. The IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List) created in 1963 is the world's most comprehensive inventory of the global IUCN 2006. Retrieved on 11 May 2006. Listed as Vulnerable (VU C2a v2. 3)
- "Galaxias argenteus". FishBase. FishBase is a comprehensive Database of information about Fish. Ed. Ranier Froese and Daniel Pauly. March 2006 version. N. p. : FishBase, 2006.
- NIWA June 2006
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