Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Scorpaenidae
(Scorpionfishes or rockfishes) > Scorpaeninae
Etymology: Scorpaena: Latin, scorpaena = a kind of fish, 1706 (Ref. 45335); grattanica: Named for its type locality, Grattan Bank southeast of Ascension Island.
Environment: milieu / climate zone / depth range / distribution range
Marine; pelagic-neritic; depth range 120 - 170 m (Ref. 57925). Tropical
Southeast Atlantic: Grattan Bank, Ascension Island.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 22.5 cm SL male/unsexed; (Ref. 57925)
Morphology | Morphometrics
soft rays: 5. This species is distinguished by the following: distinct occipital pit; cycloid scales; tubular scales in lateral line, 23 + 1; vertical rows of scales on body 45 + 4; monotonous yellowish, spotless coloration on the inside of the pectoral fins and their insertions (Ref. 57925).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Trunov, I.A., 2006. Ichthyofauna of seamounts around the Island of Ascension and St. Helena Island (Atlantic Ocean). J. Ichthyol 46(7):493-499. (Ref. 57925)
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
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00696 - 0.04547), b=3.03 (2.80 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.7 ±0.2 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
): Moderate vulnerability (43 of 100) .