Actinopteri (ray-finned fishes) > Blenniiformes
(Blennies) > Chaenopsidae
(Pike-, tube- and flagblennies)
Etymology: Chaenopsis: Greek, chaeno = to yawn + Greek, opsis = appearance (Ref. 45335). More on authors: Robins & Randall.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 5 - 20 m (Ref. 9710), usually - m (Ref. ). Tropical; 0°C -
Western Central Atlantic: Florida (USA), Bahamas, Puerto Rico, Grand Cayman Island, Virgin Islands, Antigua, Barbados, Aruba, Curaçao, Colombia, and Venezuela.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.5 cm TL male/unsexed; (Ref. 7251)
(total): 18 - 21;
soft rays: 33 - 37. Light brown with pale dots and a narrow mid-lateral brown stripe, sometimes broken into blotches; faint bars on body; small black spot at front of dorsal fin; mature males with more yellow on head, gill membranes black; branchiostegal rays blue (Ref. 13442).
Occurs in groups, one to a hole, in limestone or coral rubble in clear water. Feeds on small crustaceans, worms, and fishes (Ref. 5521).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 26.4 - 28.2, mean 27.5 °C (based on 520 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00183 - 0.01143), b=3.08 (2.86 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.7 ±0.55 se; based on food items.
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Nutrients (Ref. 124155
): Calcium = 146 [81, 288] mg/100g ; Iron = 0.73 [0.41, 1.25] mg/100g ; Protein = 18.7 [17.6, 19.8] % ; Omega3 = 0.13 [0.07, 0.23] g/100g ; Selenium = 26 [13, 53] μg/100g ; VitaminA = 182 [65, 493] μg/100g ; Zinc = 1.88 [1.24, 2.80] mg/100g (wet weight);