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Blenniiformes (Blennies) >
Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Helcogramma: Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark (Ref. 45335).
Eponymy: R L Hudson was a scientific illustrator of many marine species, mainly cephlapods and fish. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Seale.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser riff-verbunden; tiefenbereich 0 - 3 m (Ref. 13227). Tropical; 33°N - 25°S
Western Pacific: Izu Islands (Japan) to Vanuatu, Fiji, Solomon Islands, then east to American Samoa. Occurrence in India is a misidentification.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL Männchen/unbestimmt; (Ref. 13227)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 15 - 17; Rückenflossenweichstrahlen (insgesamt) : 9 - 11; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 17 - 20.
Adults inhabit shallow reefs (Ref. 37816). 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
Fricke, R., 1994. Tripterygiid fishes of Australia, New Zealand and the southwest Pacific Ocean (Teleostei). Theses Zool. 24:1-585. (Ref. 13227)
IUCN Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Estimates based on models
Preferred temperature (Ref.
123201): 25 - 29.4, mean 28.4 °C (based on 1076 cells).
Phylogenetic diversity index (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).
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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).