Actinopteri (ray-finned fishes) > Blenniiformes
(Blennies) > Chaenopsidae
(Pike-, tube- and flagblennies)
Etymology: Lucayablennius: Composed from Lucaya = the old name for the Bahamas Islands + Greek, blennios = mucus (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 13 - 106 m (Ref. 9710). Tropical
Western Central Atlantic: Bahamas and Caribbean, including the Antilles.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm SL male/unsexed; (Ref. 51458)
Morphology | Morphometrics
(total): 18 - 20;
soft rays: 22 - 23. With emarginate caudal fin. Reddish tan, with 3 large dark spots along rear of dorsal fin base, and 2 similar spots along rear of anal fin base (Ref. 26938). Black stripe from tip of lower jaw through eye to end of operculum; a median dorsal light yellow line on head (Ref. 13442).
Inhabits coral reefs (Ref. 5521). Drifts with bended tail to prey on small fish. Retreats into holes or empty worm tubes. Ignores divers (Ref. 9710). Often seen with schools of masked gobies (Ref. 26938).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Böhlke, J.E. and C.C.G. Chaplin, 1993. Fishes of the Bahamas and adjacent tropical waters. 2nd edition. University of Texas Press, Austin. (Ref. 5521)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 23.5 - 27.6, mean 26.5 °C (based on 71 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00184 - 0.01190), 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
): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .