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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Eusurculus: Name from Latin and Greek 'eu' for good or real and Latin 'surculus' for grapevine tendril, refers to the functional analogy with the pseudoclaspers and the specific shape of the inner pseudoclasper; pristinus: Name from Latin 'pristinus' for ancient or original, refers to the simpler pattern of the inner pseudoclasper when compared to the sucker-disk of E. andamanensis and E. pistillum; noun in apposition.
More on authors: Schwarzhans & Møller.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 底生の. Tropical
Western Pacific, Bismarck Sea to the Solomons and Vanuatu.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 4.5 cm SL オス/雌雄の選別がない; (Ref. 76869); 4.6 cm SL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 74 - 86; 臀鰭: 58 - 70; 脊つい: 41 - 44. This species is distinguished by the following characters: D 74-86, A 58-70, D/A 18-27, V in D 2.0-2.3; vertebrae 11-12+30-33=41-44, anterior nostril located 1/4 to 1/5 distance from upper lip to aggregate distance to anterior margin of eye; free pseudoclaspers 2 pairs, outer pseudoclasper wing-shaped with moderately broad base and distally widened supporter with strong anterior hook (covered by ligament), the inner one is stalked, with slightly widened base and miniature sucker-disk with two small hooks; 5-8 scale rows on upper part, 3-4 rows on lower part of the cheek; otoliths with distinct ostium and cauda, partly fused colliculi, otolith length to height 2.0-2.1, ostial colliculum length to caudal colliculum length 3.5-5 (Ref. 76869).
Body shape (shape guide): elongated; Cross section: compressed.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Schwarzhans, W. and P.R. Møller, 2007. Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-west Pacific. Part III. Beaglichthys, Brosmolus, Monothrix and eight new genera with description of 20 new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 23:29-110. (Ref. 76869)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.6250 [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).
栄養段階 (参照
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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