Taeniamia biguttata (Lachner 1951)

Diagnosis: Dorsal rays VII,9; anal rays 11,14-19 (usually 16-18); pectoral rays 14 (rarely 13 or 15). Lateral-line scales 25 + 3-5. Median predorsal scales 5-6 (usually 6). Gill rakers 5-7 + 15-18 (total, 20-24). Body depth 2.3-2.85 in SL, and body width 2.3-2.7 in the depth; eye diameter 2.7-3.1 in head length; first dorsal spine 2.0-2.9 in second spine; second dorsal spine 2.1-2.6, and third dorsal spine 2.2-2.7 in head length; spine of second dorsal fin 2.3-2.6, and second anal spine 2.5-2.9 in head length; pelvic-fin length 4.3-5.3, and caudal-peduncle length 4.9-5.9 in SL. Distance from insertion of pelvic spine to anal-fin origin 4.2-5.5 in SL. Posterior preopercular edge fully serrate or nearly so; serrae on upper part usually minute, rarely absent; ventral preopercular edge serrate on posterior two-thirds. Scaly sheath along anal-fin base well developed (Ref. 54391).Description: Large dark spot on the upper corner of the operculum is distinctive (Ref. 37816, 48635). A marginally smaller one on caudal base is present. However, the latter can be turned on or off at will. Usually a broad angular band below the eye (Ref. 48635).

Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Analspines: 2; Analsoft rays: 14 - 19

Nocturnal species which occurs inshore (Ref. 75154). Found singly or in groups hovering in caves or in association with branched coral (Ref. 1602, 48635).

Occurs in inshore reefs of bays or lagoons, typically hovering in small groups in the recesses of caves (Ref. 1602, 48635).

分布於西太平洋區，由蘇門答臘至薩摩亞，北至台灣、日本等。台灣南部及北部海域有產。

無任何經濟價值。

體橢圓，高而側扁。前鰓蓋脊平滑，邊緣呈鋸齒狀。側線完全，延長到尾鰭。具鋤骨齒。臀鰭基底長；尾鰭頂端微凹。胸腔及肛門附近有發光器。D. VI-I，9；A. II，16-17；P. 1+11+1；Ll. 26+1；Pred.S. 5；V. 10+14；GR.(1)4+1+15。體透明而略帶紅色，鰓裂上方具黑圓點，側線穿過黑點；尾柄具稍小之眼點或消失；頰部則有短而寬之棒狀暗帶。原記載之黑尾長鰭天竺鯛(/Archamia melasma/)為其同種異名。

主要棲息於近岸海灣或潟湖內之珊瑚礁區。群居性，以浮游動物或其它底棲無脊椎動物為食。本種魚通常與橫紋長鰭天竺鯛(/Archamia dispilus/)群中混游。

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Taeniamia biguttata Taeniamia generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Apogonidae familian.