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Opistognathus variabilis Smith-Vaniz, 2009

Variable jawfish
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Opistognathus variabilis   AquaMaps   Data sources: GBIF OBIS
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Opistognathus variabilis
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条鰭類 > 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 生態学

; 海; 深さの範囲 0 - 37 m (Ref. 81517).   Tropical

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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.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL オス/雌雄の選別がない; (Ref. 81517)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 11; 背鰭 (合計): 14-16; 肛門の骨 3; 臀鰭: 14 - 16; 脊つい: 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).

生物学     用語集 (例 epibenthic)

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

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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)

IUCNのレッドリストの状況は (Ref. 119314)

  軽度懸念 (LC) ; Date assessed: 05 March 2015

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





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Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(ゲノム, ヌクレオチド) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | 国のデーターベース | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | 生命の木 | Wikipedia(行く, 検索する) | World Records Freshwater Fishing | Zoobank | 動物に関する記録

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=0.00447 (0.00171 - 0.01168), b=3.12 (2.89 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.5   ±0.5 se; Based on size and trophs of closest relatives
回復力 (Ref. 69278):  高い, 15か月以下の倍増期間の最小個体群 ().
弱み (Ref. 59153):  Low vulnerability (10 of 100) .