Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Serranidae
(Sea basses: groupers and fairy basslets) > Grammistinae
Etymology: Pseudogramma: Greek, pseudes = false + Greek, gramma = letter, signal (Ref. 45335); astigma: From a Greek word meaning without a spot, referring to the absence of a prominent dark brown or black spot on the opercle as seen on the other species of this genus. More on authors: Randall & Baldwin.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 6 - 46 m (Ref. 27020). Tropical
Western Indian Ocean: Comoros and West-Central Pacific (disjunct distribution).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.4 cm SL male/unsexed; (Ref. 27020)
soft rays: 17 - 18;
Vertebrae: 26. One incomplete lateral line. Longitudinal scale series 50-51. No dermal flap or small tentacle dorsally on eye. Tubular anterior nostril when laid back reaching about half way to posterior nostril. Opercle without dark brown or black spot. Brown-edged pale stripe extending posteriorly from the lower part of eye to edge or preopercle. Pectoral fins extending beyond origin of anal fin. Many interconnected whitish blotches on body. Body with many interconnected whitish blotches. Snout, 5.4 - 5.75 in head. Caudal peduncle depth 3.2-3.6 in head; length 4.35-5.5 in head.
Inhabits coral reef. Benthic (Ref. 75154). Cryptic (Ref 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E. and C.C. Baldwin, 1997. Revision of the serranid fishes of the subtribe Pseudogrammina, with descriptions of five new species. Indo-Pac. Fish. (26):56 p. (Ref. 27020)
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
): 26 - 28.8, mean 27.5 (based on 234 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00162 - 0.01071), b=3.14 (2.91 - 3.37), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (13 of 100) .