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Myxiniformes (Hagfishes) >
Myxinidae (Hagfishes) > Eptatretinae
Etymology: Eptatretus: hepta (Gr.), seven; tretos (Gr.), perforated (i.e., with holes), referring to seven gill apertures on what would later be described as Homea banksii (=E. cirrhatus) [range within genus is 6-14 pairs of gill apertures] (See ETYFish); wadgensis: Named after the geographical region where it was collected. Wadge Bank.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu 250 - 300 m (Ref. 129537). Tropical
Western Indian Ocean: Lakshadweep Sea, India.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 34.0 cm TL con đực/không giới tính; (Ref. 129537); 40.0 cm TL (female)
Short description
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This six-gilled species is distinguished by the following characters: with 3/3 multicusp pattern, 9-10 anterior unicusps, and 7-8 posterior unicusps; posterior tip of the dental muscle reaching up to the mid-region of 2nd gill pouch; total cusps 44-48; total pores 67-69 (prebranchial 12-13, branchial 6, trunk 39-40, and tail 8-11). Colouration: uniformly brown on the dorsal and ventral region when fresh and dark brown when preserved in formalin (Ref. 129537).
Life cycle and mating behavior
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Augustina, A.X.T., M.P. Sreeram, S. Sukumaran and A. Jose, 2022. A new species of six-gilled hagfish (Myxinidae: Eptatretus) from the Lakshadweep Sea. Zootaxa 5162(2):120-134. (Ref. 129537)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Các công cụ
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Mức dinh dưỡng (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
