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> Blenniiformes (Blennies) > Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Helcogramma: Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark (Ref. 45335).
More on author: Weber.

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

marin récifal; profondeur 1 - 10 m (Ref. 90102). Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Indonesia, Papua New Guinea, and northern Australia. It appears to be restricted to these areas. Occurrence in southern Japan (Ref. 559) is a misidentification and refers to Helcogramma hudsoni.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 4.0 cm TL mâle / non sexé; (Ref. 2334)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 17 - 19; Rayons mous dorsaux (Total) : 8 - 11; Épines anales: 1; Rayons mous anaux: 16 - 20.

Adults live on reef's surface, often in weedy areas, and on algal-covered rocks or on rubble. They feed on tiny invertebrates and algae (Ref. 13227). 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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : Fricke, Ronald | Collaborateurs

Fricke, R., 1994. Tripterygiid fishes of Australia, New Zealand and the southwest Pacific Ocean (Teleostei). Theses Zool. 24:1-585. (Ref. 13227)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

Préoccupation mineure (LC) ; Date assessed: 06 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: sans intérêt

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 24.9 - 29.3, mean 28.5 °C (based on 1376 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Niveau trophique (Ref. 69278): 2.8 ±0.26 se; based on food items.

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Helcogramma gymnauchen (Weber, 1909)