Johnius
| Johnius | ||||||||||||
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Johnius amblycephalus |
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| Scientific name | ||||||||||||
| Johnius | ||||||||||||
| Bloch , 1793 | ||||||||||||
Johnius is a species of fish that predominantly lives in the tropicsfrom the perch- related family of Umberfishes (Sciaenidae). The scientific name of the genus comes from the ichthyologist Marcus Élieser Bloch in recognition of the achievements of the German missionary and naturalist Christoph Samuel John . A number of species are important edible fish .
features
The swim bladder of Johnius fish is hammer-shaped with numerous appendages. A branch of the first of these penetrates into the head and is visible under the gill cover . The sagitta has a sulcus with a crooked head and a conically deepened tail.
Systematics
Within the genus, a distinction is made between two sub-genera, with Johnius (Johnieops) the inner row of teeth of the lower jaw is enlarged.
34 species are currently assigned to the genus:
- Johnius amblycephalus
- Johnius australis
- Johnius belangerii
- Johnius borneensis
- Johnius Cantori
- Johnius Carouna
- Johnius carutta
- Johnius coitor
- Johnius distinctus
- Johnius dorsalis
- Johnius Dussumieri
- Johnius elongatus
- Johnius fasciatus
- Johnius fuscolineatus
- Johnius gangeticus
- Johnius glaucus
- Johnius Goldmani
- Johnius grypotus
- Johnius heterolepis
- Johnius hypostoma
- Johnius Laevis
- Johnius latifrons
- Johnius macropterus
- Johnius macrorhynus
- Johnius mannarensis
- Johnius novaeguineae
- Johnius novaehollandiae
- Johnius pacificus
- Johnius Philippinus
- Johnius plagiostoma
- Johnius taiwanensis Chao et al., 2019
- Johnius trachycephalus
- Johnius trewavasae
- Johnius Weberi
Individual evidence
- ↑ Hans-Joachim Paepke: Bloch's fish collection in the Museum für Naturkunde der Humboldt-Universität zu Berlin - An illustrated catalog and historical account . ARG Gantner Verlag KG, Czech Republic, 1999. 216 pages a. 32 panels. ISBN 3-904144-16-2
- ↑ K. Sasaki: Sciaenidae . Croakers (drums). In: Kent E. Carpenter, Volker H. Niem (Eds.): The living marine resources of the Western Central Pacific . tape 5 , Bony fishes part 3 (Menidae to Pomacentridae). Food and agricultural organization of the United Nations, 2001, ISSN 1020-6868 , p. 3117-3174 (English, fao.org [PDF]).
- ↑ Johnius on Fishbase.org (English)
Web links
- Johnius on Fishbase.org (English)