Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Apogonidae
(Cardinalfishes) > Apogoninae
Etymology: relativus: From the Latin for related to, or akin to, in reference to its similarity to A. angustatus (Smith & Radcliffe), a common and wide-ranging Indo-Pacific species not found in the Marquesas. More on author: Randall.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range ? - 9 m (Ref. 41638). Tropical
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Eastern Central Pacific: Marquesas Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.4 cm SL male/unsexed; (Ref. 41638)
Found in rocky substratum, in sheltered bays and along exposed shores (Ref. 41638). Usually in aggregations (Ref. 41638).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
Randall, J.E., 2001. Four new cardinalfishes (Perciformes: Apogonidae) from the Marquesas Islands. Pac. Sci. 55(1):47-64. (Ref. 41638)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 27.7 - 28.4, mean 28 (based on 25 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00498 - 0.02415), b=3.10 (2.91 - 3.29), 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 (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .