Grammonus minutus

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Grammonus minutus Nielsen & Prokofiev, 2010

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drawing shows typical species in Bythitidae.

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Teleostei > Ophidiiformes (Cusk eels) > Bythitidae (Livebearing brotulas)
Etymology: Grammonus: Greek, gramma = signal, mark + Greek, onos = hake; minutus: The specific name, minutus, refers to the short length at which the males attain maturity and ripen (Ref. 84063).
More on authors: Nielsen & Prokofiev.

Environment: milieu / climate zone / 深度上下限 / distribution range 生态学

海洋 底中水层性; 深度上下限 70 - 119 m (Ref. 94063). ; 13°N - 12°N, 109°E - 110°E

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Pacific Ocean: off Central Vietnam. Known from two localities (Ref. 84063).

大小 / 重量 / 年龄

成熟度: Lm ?  range ? - ? cm
Max length : 5.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 84063)

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Grammonus minutus differs from the nine described Grammonus species since it exhibits the following combination of characters: fin rays in dorsal 75–76, anal 54–55, pectoral 22–23, number of vertebrae 12 + 30, interorbital 7.4% of SL. Males have already reached maturity by a length of 32 mm SL.
Body shape (shape guide): short and / or deep.

生物学特性     字汇 (例如 epibenthic)

Depending on the changes in the current system in the Bay of Nha Trang and adjoining areas, juveniles and adolescents of deep-water fishes occur in the collection area at these shallow depths. According to T.T. Hieu, Institute of Oceanography, Nha Trang (personal communication, 2009), there are a number of deep canyons cutting into the outer shelf, which explains the capture of many relatively deep-living species. It is thus possible that G. minutus may live deeper than indicated by the actual trawling depths (Ref. 84063).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Nielsen, J.G. and A.M. Prokofiev, 2010. A new, dwarf species of Grammonus (Teleostei: Bythitidae) found off Vietnam. Ichthyol. Res. 57:189-192. (Ref. 84063)

世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)

  数据缺失 (DD) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (参考文献 82804):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (参考文献 69278):  3.3   ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈