Scale clump

from Wikipedia, the free encyclopedia
Scale clump
Systematics
Spinefish (Acanthopterygii)
Perch relatives (Percomorphaceae)
Order : Perch-like (Perciformes)
Family : Normanichthyidae
Genre : Normanichthys
Type : Scale clump
Scientific name of the  family
Normanichthyidae
Clark , 1937
Scientific name of the  genus
Normanichthys
Clark, 1937
Scientific name of the  species
Normanichthys crockeri
Clark, 1937

The scale group ( Normanichthys crockeri ) is a small marine fish that is endemic to the coast of the southeastern Pacific from the Peruvian island of Chimbote to the Chilean island of Mocha at depths of 37 to 200 meters. It received its scientific name in honor of the British ichthyologist John Roxborough Norman . In Peru it is called “Camotillo”, in Chile “Bacaladillo”.

features

Scale clumps are eleven centimeters long. Her body is covered by ctenoid scales, her head unarmored. They have two dorsal fins of almost the same shape and size. Your pelvic fins are supported by one hard and five soft rays. Scale clumps have no ribs.

Systematics

The systematic position of the scale group is uncertain. She was placed in her own, thus monotypical family. Nelson puts it in its own subordination (Normanichthyoidei) within the scorpioniformes (Scorpaeniformes), at Wiley & Johnson it is part of the bullhead superfamily Cottoidea .

literature

  • Joseph S. Nelson : Fishes of the World. Wiley, New York 2006, ISBN 0-471-25031-7 .
  • EO Wiley & G. David Johnson: in A teleost classification based on monophyletic groups. in Joseph S. Nelson, Hans-Peter Schultze & Mark VH Wilson: Origin and Phylogenetic Interrelationships of Teleosts. 2010, Verlag Dr. Friedrich Pfeil, Munich, ISBN 978-3-89937-107-9 .

Web links