分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ovalentaria/misc (Various families in series Ovalentaria)
鱸形目 (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
後頜魚科 (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653); brasiliensis: Named after Brazil, along whose coast this species appears to be endemic (Ref. 26893).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 15 - 69 m (Ref. 129348). 亞熱帶的
Southwest Atlantic: Brazil.
西南大西洋: 已知只來自巴西南部了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 12.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 26893)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 11; 背的軟條 (總數) : 16; 臀棘: 3; 臀鰭軟條: 15 - 16; 脊椎骨: 28. Anterior nostril a short tube with simple cirrus on posterior rim; posterior end of maxilla of adult males produced as a thin flexible lamina that usually extends beyond posterior margin of opercle; spinous dorsal fin with black spot encircled by a very narrow white ring; dorsal fin with 5 or 6 dusky bands that extend onto dorsum; adult males with inner lining of maxilla and adjacent membranes with 2 dark stripes, one stripe in females; pectoral fin uniformly pigmented, no black speckles proximally; buccal pigmentation consisting of a dark area widely surrounding esophageal opening except for a pale area posteriorly that continues between upper pharyngeal tooth patches; caudal vertebrae 8 (Ref. 26893).
前鼻孔短的管在後緣上有單一卷鬚; 雄性成魚的顎骨的後端延長形成通常延伸超過鰓蓋的後緣的一個細的柔韌有彈性的薄板了; 被一個非常狹窄白色的環環繞的刺狀的背鰭有黑色斑點; 背鰭有在背面之上延伸的 5 或 6條暗色的條紋; 雄性成魚有顎骨的內部襯裡，而且毗連的薄膜有兩個深色的斑紋, 在雌性中的一條斑紋; 胸鰭均勻地有顏色, 近端地沒有黑色的小斑點; 廣泛地圍住食道的開口包含一個深色的區域口顏色在後部地除了一個灰白的區域以在上面的咽牙齒區塊之間繼續; 尾部的脊椎骨 8.(參考文獻 26893)
Founf on bottoms with gravel and sand or on silt and sand bottoms, near coral reefs and rocky areas (Ref. 129348). Mouthbrooders (Ref. 240).
口孵魚.(參考文獻 240)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Employ mouthbrooding to care for their young (Ref. 240).西南大西洋: 已知只來自巴西南部了。
Smith-Vaniz, W.F., 1997. Five new species of jawfishes (Opistognathus: Opistognathidae) from the western Atlantic ocean. Bull. Mar. Sci. 60(3):1074-1128. (Ref. 26893)
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Estimates based on models
Preferred temperature (Ref.
123201): 20.2 - 23.1, mean 21.7 °C (based on 5 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
營養階層 (Ref.
69278): 3.5 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
