Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Perciformes/Serranoidei
(Groupers) > Anthiadidae
(Fairy basslets or Streamer basses)
Etymology: Nemanthias: Greek, nema, .atos = filament + Greek, anthis = a fish, Sparus aurata (Ref. 45335); bicolor: Named for its colors, its upper half is salmon pink, lower half lavender pink..
More on author: Randall.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 5 - 68 m (Ref. 9710), usually 5 - 50 m (Ref. 27115). Tropical; 22°C - 27°C (Ref. 27115); 28°N - 22°S
Indo-Pacific: Mauritius to the Hawaiian and Line islands, north to the Ryukyu Islands (Ref. 559), south to the Loyalty Islands; Marshall and Caroline islands in Micronesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL male/unsexed; (Ref. 9710)
Relatively uncommon inhabitant of lagoon patch reefs and outer reef slopes. Found in deep coastal to outer reef slopes, in current prone areas (Ref. 48635). Benthopelagic (Ref. 58302). It occurs in small groups above coral outcrops or near crevices or ledges.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gill, A.C., 2022. Revised definitions of the anthiadine fish genera Mirolabrichthys Herre and
Nemanthias Smith, with description of a new genus (Teleostei: Serranidae). Zootaxa 5092(1):041-066. (Ref. 127988)
IUCN Red List Status (Ref. 126983)
Threat to humans
Fisheries: of no interest; aquarium: commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 25.2 - 28.9, mean 27.5 °C (based on 568 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00624 - 0.02918), b=3.00 (2.81 - 3.19), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.45 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).
Nutrients (Ref. 124155
): Calcium = 94.1 [51.8, 181.5] mg/100g ; Iron = 0.855 [0.467, 1.467] mg/100g ; Protein = 18 [16, 20] % ; Omega3 = 0.174 [0.106, 0.285] g/100g ; Selenium = 28.2 [15.9, 54.7] μg/100g ; VitaminA = 202 [70, 653] μg/100g ; Zinc = 1.56 [1.04, 2.26] mg/100g (wet weight);