Classification / Names
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Blenniiformes (Blennies) >
Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335); sheni: Named for Prof. S.C. Shen, for his contribution to the systematics of marine fishes, inlcuding triplefins in Taiwan.
Eponymy: Dr Shieh-Chieh Shen is an ichthyologist who was a professor in the Department of Zoology, College of Science, National Taiwan University (retired 1999). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
marina pelagic-neritic; djupintervall 3 - 12 m (Ref. 79877). Tropical
Utbredning
Länder | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri
Nortwest Pacific: Taiwan.
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 2.3 cm SL hane/ej könsbestämd; (Ref. 79877)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 15; Mjukstrålar i ryggfenan (totalt) : 9; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 17; Ryggkotor: 34. This species is distinguished from its congeners in having the following characters: D1 III, D2 XII, D3 9; A I,17; lateral line discontinuous, first series with 16-18 pored scales, second series 16-18 notched scales; mandibular pore system 4+1+4; supraorbital cirrus simple and broad; nasal cirrus simple and slender; first dorsal fin is equal to or higher than second; in males, head with a black mask, D1 and D2 and anal fins are entirely blackish; D2 with 4 black blotches and anal fin with 8-9 basal blackish-brown streaks in female; grayish-black opercle; caudal peduncle with a black streak (Ref. 79877).
Body shape (shape guide): elongated; Cross section: compressed.
Female members of the Tripterygiidae have eggs that are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites (Ref. 240). Larvae are planktonic which occur primarily in shallow, nearshore waters (Ref. 94114).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Chiang, M.-C. and I.-S. Chen, 2008. Taxonomic review and molecular phylogeny of the triplefin genus Enneapterygius (Teleostei: tripterygiidae) from Taiwan, with descriptions of two new species. The Raffles Bull. Zool. 19:183-201. (Ref. 79877)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00288 - 0.01322), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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