分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Tetraodontiformes (Puffers and filefishes)
魨形目 (Puffers and filefishes) >
Monacanthidae (Filefishes)
單棘魨科 (Filefishes)
Etymology: Enigmacanthus: Latin, aenigma = to speak allusively or obscurely + Greek, akantha = thorn; filamentosus: Named in reference to its filamentous second ray in the male's soft dorsal fin (Ref. 48594).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 36 - 67 m (Ref. 48594). 熱帶
Indo-West Pacific: Seychelles and the Marshall Islands. Probably more widespread in insular areas.
印度-西太平洋: 塞錫爾群島與馬紹爾群島。 可能更廣泛分佈在島的區域中。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 3.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 48594); 2.7 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 1; 背的軟條 (總數) : 27 - 28; 臀棘: 0; 臀鰭軟條: 26; 脊椎骨: 19. Maximum known size small (3.6 cm SL); soft Doral rays 27-28; anal rays 26; pectoral rays 11/11; dorsal profile of snout straight in male, slightly concave in female, without prominent hump just before nostrils; soft dorsal and anal fins not elevated anteriorly, outer margins convex; soft dorsal fin of male with second ray elongate and filamentous; caudal fin moderately long (about equal to head length), posterior margin convex; pelvis capable of moving vertically through an arc of about 40 degrees, producing a moderately large ventral flap; lobe on rear of pelvis small, directed dorsoposteriorly; pelvic fin rudiment relatively short and small, posterior segment movably articulated with pelvis; midbody scales each with up to six minute spinules located on a transverse ridge, those on caudal peduncle of male slightly longer, recurved, forming a poorly defined patch of bristles (Ref. 48594).
Body shape (shape guide): short and / or deep.
最大的已知大小小的 (3.6 公分 SL); 軟的 Doral 鰭條 27-28; 臀鰭鰭條 26; 胸鰭鰭條 11/11; 在雄魚中的吻直線的背面輪廓, 些微地母魚凹曲, 就在鼻孔之前沒有突出的隆起; 前面地不升高的軟的背鰭與臀鰭, 外緣凸狀; 柔軟背鰭雄魚有第二個鰭條細長的與絲狀的; 尾鰭中等長度的 (大約等於頭長), 後緣凸狀; 骨盤能夠經過一個大約 40 度的弧垂直地移動, 產生一個普通大的腹翼; 在骨盤後面上的葉小的, 後背地直接的; 腹鰭原基相當短與小的, 在後部的片段可移動地連接了骨盤; 身體中央鱗片每個具有向上到被位於一個橫跨的脊上的六個細小的小刺,雄魚的那些在尾梗上者些微比較長的﹐後彎, 形成一個貧乏地定義了剛毛的小區塊.(參考文獻 48594)
Inhabits sandy bottoms, possibly in areas with scattered coral clumps (Ref. 48594).
棲息於砂質底部, 可能地在有分散的珊瑚叢的區域中.(參考文獻 48594)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
印度-西太平洋: 塞錫爾群島與馬紹爾群島。 可能更廣泛分佈在島的區域中。
Hutchins, J.B., 2002. Description of a new genus and species of miniature monacanthid fish from the Seychelles and Marshall Islands. Rec. West. Aus. Mus. 21(2):213-219. (Ref. 48594)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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Estimates based on models
Preferred temperature (Ref.
123201): 15.3 - 28.6, mean 25.9 °C (based on 15 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00956 - 0.04164), b=2.93 (2.76 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).