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); leprocarus: From the Greek 'lepros' meaning scaly and 'kara' meaning head, in reference to the well developed cephalic squamation (Ref. 26893).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 165 - 308 m (Ref. 26893). 深水域
Western Central Atlantic: known only from the Bahamas and the Lesser Antilles, including Anegada Passage, between Virgin Islands and Anguilla (ANSP 138563).
中西大西洋: 在維京群島與安圭拉 (ANSP 138563) 之間,已知只來自巴哈馬與小安地列斯群島了,包括 Anegada 通道。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.1 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) : 10 - 11; 背的軟條 (總數) : 11 - 13; 臀棘: 3; 臀鰭軟條: 11 - 12; 脊椎骨: 26. Anterior nostril a short tube without cirrus on posterior rim; posterior end of maxilla rigid, without thin flexible lamina; opercle with prominent wedge-shaped dark blotch; buccal cavity and inner lining of maxilla and adjacent membranes immaculate; dorsal fin spines slender, straight, with rigid sharp tip; nape completely scaled; cheeks with 4 or 5 rows of scales; segmented anal fin rays 11 or 12; caudal vertebrae 16; pelvic fins elongate in adults 39-49% SL with tip of depressed fin extending posteriorly well past anal fin origin (Ref. 26893).
前鼻孔在後緣上的沒有卷鬚的短的管; 顎骨的後端硬的, 沒有細的柔韌有彈性的薄板; 鰓蓋有突出的楔形黑色斑塊; 噴水孔與顎骨與毗連的薄膜內部襯裡無斑點的; 背鰭棘細長的，筆直地，有硬的銳利頂端; 後頸鱗片覆蓋完整; 頰部有 4 或 5個列的鱗片; 分段的臀鰭棘條 11 或 12; 尾部的脊椎骨 16; 腹鰭用向後延伸的扁平鰭的頂端延長當成魚時 39-49% SL 越過臀鰭起源.(參考文獻 26893)
Observed using shells and rubble to close their burrow opening (Ref. 26893).
觀察使用貝殼與碎石關他們的洞穴開口。 (參考文獻 26893)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中西大西洋: 在維京群島與安圭拉 (ANSP 138563) 之間,已知只來自巴哈馬與小安地列斯群島了,包括 Anegada 通道。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 23 August 2012
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Estimates based on models
Preferred temperature (Ref.
123201): 14 - 22.7, mean 19 °C (based on 16 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): 3.4 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
