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Opistognathus variabilis Smith-Vaniz, 2009

Variable jawfish
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This map was computer-generated and has not yet been reviewed.
Opistognathus variabilis   AquaMaps   Data sources: GBIF OBIS
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Image of Opistognathus variabilis (Variable jawfish)
Opistognathus variabilis
Picture by Ryanskiy, A.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Straalvinnigen) > Perciformes (Perch-likes) > Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335);  variabilis: Name from Latin 'variabilis', refers to the highly variable color pattern and jaw morphology of this species.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; marien; diepteverspreiding 0 - 37 m (Ref. 81517).   Tropical

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Indo-West Pacific: from the eastern Indian Ocean (Maldive Islands and Sri Lanka) and throughout most of the central western Pacific, including the Ruykyu Islands and Palau.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL mannelijk/geslacht niet bekend; (Ref. 81517)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 11; Dorsale zachte stralen (totaal): 14-16; Anale stekels 3; Anale zachte stralen: 14 - 16; Wervels: 28 - 30. This species is distinguished by the following characters: elongate supramaxilla and posterior end of maxilla produced as a thin flexible lamina, varying from moderate to well-developed; usually a single black stripe (well-developed in fish with elongate jaws but only slightly in those with relatively short jaws) at the inner lining of upper jaw and adjacent membranes; lateral-line ends below verticals between segmented dorsal-fin rays 3-6 (typically fourth or fifth); body with about 68-83 oblique scale rows; caudal vertebrae 19-20 (rarely 20), except only 18 in fish from northern Palawan. There are several color morphs that exist (geographic variations) (Ref. 81517).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Found in sand/rubble bottoms in 0-37 m (Ref 90102).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Smith-Vaniz, W.F., 2009. Three new species of Indo-Pacific jawfishes (Opistognathus: Opistognathidae), with the posterior end of the upper jaw produced as a thin flexible lamina. Aqua, Int'l. J. Ichthyol. 15(2):69-108. (Ref. 81517)

Status op de Rode Lijst van het IUCN (Ref. 120744)

  Niet bedreigd (LC) ; Date assessed: 05 March 2015

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 25.3 - 29.3, mean 28.6 (based on 2512 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.5 se; Based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 69278):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden ().
Kwetsbaarheid (Ref. 59153):  Low vulnerability (10 of 100) .