Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Serranidae
(Sea basses: groupers and fairy basslets) > Grammistinae
Etymology: Rypticus: Greek, ryptikos, -e, -on = easy to wash (Ref. 45335). More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 3 - 68 m (Ref. 5227). Tropical
Eastern Pacific: Baja California to Peru, including the Galapagos and other offshore islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 28.0 cm TL male/unsexed; (Ref. 5227)
soft rays: 16 - 18;
Vertebrae: 24. Sides of body, excluding cheeks, mottled with cream to pale-brown blotches on dark background, reaching onto bases of median fins; blotches are poorly-defined and often coalescing. Body and head, excluding lips and maxillary, with embedded scales. Dorsal spines 3 (rarely 2). Lower jaw projecting, with prominent fleshy protuberance. Numerous, small pores, in patches, along ventral surface of lower jaw and on the free-edge of preopercle in > 6.5 cm SL specimens (Ref. 40934).
Lives in rocky reefs, sheltering in caves and crevices but also encountered in the open (Ref. 11482). Lies motionless, often on its side, hidden in dark recesses. Actively hunts at night, preying on small fish (Ref. 5227).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 20.6 - 28.9, mean 25.9 (based on 82 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00665 - 0.04544), b=3.01 (2.78 - 3.24), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.0 ±0.7 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (31 of 100) .