Helcogramma aquila, Darktail triplefin

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Helcogramma aquila Williams & McCormick, 1990

Darktail triplefin
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Image of Helcogramma aquila (Darktail triplefin)
Helcogramma aquila
Male picture by Williams, J.T.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Strahlenflosser) > Perciformes (Perch-likes) > Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Helcogramma: Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark (Ref. 45335).

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

; seewasser demersal; tiefenbereich 0 - 6 m (Ref. 27223).   Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Western Central Pacific: Japan, Philippines and Guam.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL Männchen/unbestimmt; (Ref. 95023); 3.3 cm SL (female)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 16 - 18; Rückenflossenweichstrahlen (insgesamt): 11; Afterflossenstacheln 1; Afterflossenweichstrahlen: 19 - 20; Wirbelzahl: 37. Distinguished by the following characters: 5-8 symphyseal mandibular sensory pores; second dorsal fin spines XIII-XIV; last pleural ribs on vertebral centrum 11, vertebrae 11+ 26 = 37; nape naked (Ref. 9849); black lower half of head; bright blue stripe extending from anterior part of upper lip to preopercular margin through ventral margin of orbit; dorsal fins black distally; central part of pectoral fin base black; entire caudal fin black (Ref. 95023).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Adults are found among rocky boulders and in surge channels to a depth of about 6 m (Ref. 9849). 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).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Fricke, Ronald | Partner

Williams, J.T. and C.J. McCormick, 1990. Two new species of the triplefin fish genus Helcogramma (Tripterygiidae) from the Western Pacific Ocean. Copeia 1990(4):1020-1030. (Ref. 9849)

IUCN Rote Liste Status (Ref. 120744)

  nicht bedroht (LC) ; Date assessed: 03 May 2010

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Internet Quellen

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(Genom, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(Gehe zu, Suchen) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00248 - 0.01216), b=3.08 (2.89 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.1   ±0.3 se; Based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Verwundbarkeit (Ref. 59153):  Low vulnerability (10 of 100) .