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Blenniiformes (Blennies) >
Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335); randalli: Named for J.E. Randall.
Eponymy: Dr John ‘Jack’ Ernest Randall Jr. [...] (Ref. 128868), visit book page.
More on author: Fricke.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 0 - 27 m (Ref. 27223). Tropical
Eastern Central Pacific: Austral Islands, French Polynesia.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 3.4 cm SL mannelijk / geslacht onbekend; (Ref. 54980)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 14 - 16; Dorsale zachte stralen (totaal) : 8 - 10; Anale stekels: 1; Anale zachte stralen: 15 - 17. Short supraorbital tentacle; first dorsal fin shorter by about 50% than second dorsal fin; females dark bluish gray, bearing black double bars; back with series of pink blotches found on edges of scales; abdomen, chest, cheek, and lips pale gray with black spots; red coloration on top of head; a broad, oblique black band from eye to mouth and on chin; transparent dorsal fin bearing red rays; dusky anal and caudal fins; base of caudal black; males generally black with exception of abdomen and presence of a broad oblique band, that is light gray with black dots, on the cheek; fins colored similar as females except with more black on caudal. Dorsal rays III + XI-XIII + 8-10; lateral line interrupted, 17-21 + 14-18; mandibular pores 4-5 + 1 + 4-5 (Ref. 54980).
Adults are found in shallow depths, including intertidal pools (Ref. 27223). Eggs are hemispherical to somewhat flattened (Ref. 240, 94114).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Fricke, R., 1997. Tripterygiid fishes of the western and central Pacific, with descriptions of 15 new species, including an annotated checklist of world Tripterygiidae (Teleostei). Theses Zool. 29:1-607. (Ref. 27223)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 25.6 - 29, mean 27.8 °C (based on 132 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
