Teleostei (teleosts) >
Blenniiformes (Blennies) >
Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Helcogrammoides: Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark + Greek, suffix oides = similar (Ref. 45335).
Eponymy: Robert Oliver Cunningham (1841–1918) was a Scottish naturalist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range ? - 20 m (Ref. 121239). Temperate
Southeast Pacific and Southwest Atlantic: southernmost South America.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.2 cm TL male/unsexed; (Ref. 95867)
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
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [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): 3.3 ±0.2 se; based on diet studies.
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 269 [139, 892] mg/100g; Iron = 1.05 [0.47, 2.28] mg/100g; Protein = 17.9 [16.4, 19.3] %; Omega3 = 0.427 [0.149, 1.240] g/100g; Selenium = 15.2 [4.8, 46.3] μg/100g; VitaminA = 9.6 [1.7, 53.8] μg/100g; Zinc = 1.63 [0.90, 2.85] mg/100g (wet weight);