Enneapterygius kosiensis

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Enneapterygius kosiensis Holleman, 2005

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Enneapterygius kosiensis   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Tripterygiidae.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Blenniiformes (Blennies) > Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335);  kosiensis: Named after Kosi Bay, the area off which specimens were first found (Ref. 57774)

Environment: milieu / climate zone / depth range / distribution range Ecologie

; marien rifbewoner; diepteverspreiding 1 - 30 m (Ref. 57774), usually - m (Ref. ).   Tropical; 0°C -

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Western Indian Ocean: currently known only from northern KwaZulu-Natal, South Africa.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 1.9 cm SL mannelijk/geslacht niet bekend; (Ref. 57774)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 15; Dorsale zachte stralen (totaal): 9; Anale stekels 1; Anale zachte stralen: 16 - 17. Dorsal fins III+XII+9; anal fin I,16-17 (usually 17 rays); pectoral fins 13, all rays simple; lateral line with 12 pored scales and 21-22 notched scales, notched segment starting second scale row below end of pored segment, overlapping by one scale. Total lateral scales 32; transverse scales 1/4. Vertebrae 10+22. Mandibular pores 2+1/2+2. Head 3.2-3.5, body depth 5.1-5.3 in SL; eye 3.1-3.7 in head length; maxilla 2.6-2.9 in head length. Small fish, less than 20 mm SL. Body slender; scales large; nape scaled; belly with smaller, thin cycloid scales. Pelvic fins slender, rays united by a thin, fragile membrane for about one third length of shorter ray. First dorsal fin slightly higher than second, second 75-90% of body depth. Longest pectoral-fin ray reaches nearly to base of first ray of third dorsal fin. Supratemporal sensory canal crescent-shaped. Mouth oblique, reaching vertical through anterior margin of pupil; interorbital concave and broad, about equal to pupil diameter; orbital cirrus a simple rounded flap and about half pupil diameter in length (Ref. 57774).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Collected from a flat reef (Ref. 57774). 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 Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator : Fricke, Ronald | Medewerkers

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 op de Rode Lijst van het IUCN (Ref. 124695)

  Niet bedreigd (LC) ; Date assessed: 03 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 23.6 - 25.4, mean 24.9 °C (based on 40 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 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).
Trophic level (Ref. 69278):  3.0   ±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.).
Kwetsbaarheid (Ref. 59153):  Low vulnerability (10 of 100) .