Classificação / Names
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Blenniiformes (Blennies) >
Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335); elaine: Named for Elaine Heemstra, in recognition of her considerable and excellent contribution to the illustration of Indo-Pacific fishes, including several in this paper; a noun in apposition (Ref. 57774).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas demersal. Tropical
Western Indian Ocean: currently known only from Rodriguez Island.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 2.3 cm SL macho/indeterminado; (Ref. 57774)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 12 - 16; Raios dorsais (total) : 9 - 11; Espinhos anais: 0; Raios anais : 17 - 19; Vértebras: 35. Dorsal fins III + XIII + 10 (rarely with 12 spines and 9-11 rays); anal fin I,17-19; pectoral fins 15: 3+5+7 (rarely 4+4+7); lateral line with 14-15 (usually 14) pored scales and 21-22 notched scales (rarely 20-23), starting second scale row below end of pored segment. Total lateral scales 33; transverse scales 2/5. Vertebrae: 10 precaudal, 25 caudal. Mandibular pores: 3+1+3. Head 3.2-4.0 in SL; eye 2.4-3.0 in head length. Small fish, seldom longer than 20 mm SL. Body slender, scales large, nape scaled, abdomen naked. Pelvic fin rays slender, united by membrane for half the length of the longer ray. First dorsal fin about half height of second. Pectoral fin large, longest ray reaching to penultimate spine of second dorsal fin. Mouth oblique, small and pointed, maxilla reaching vertical through anterior margin of orbit. Orbital cirrus small and pointed (Ref. 57774).
Known only from the lagoon around the island of Rodrigues (Ref. 57774). Eggs 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).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Holleman, W., 2005. A review of the triplefin fish genus Enneapterygius (Blennioidei: Tripterygidae) in the western Indian Ocean, with descriptions of four new species. Smithiana, Bull. 5:1-25. (Ref. 57774)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
