Actinopteri (ray-finned fishes) > Perciformes/Serranoidei
(Groupers) > Serranidae
(Sea basses: groupers and fairy basslets) > Anthiadinae
Etymology: Plectranthias: Greek, plektron = anyhting to strike with, spur + Greek, anthias = a fish, Sparus aurata (Ref. 45335); nazcae: Named for its type locality, Nazca Ridge..
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 162 - 225 m (Ref. 83536). Subtropical; - 26°S
South Pacific, Nazca Ridge.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm SL male/unsexed; (Ref. 83536)
Morphology | Morphometrics
soft rays: 7. This species is distinguished from its congeners (except P. exsul and P. parini) by the following set of characters: 28-31 total gillrakers on first gill arch (vs. 13-25, usually
fewer than 20); 17-18 circum-caudal-peduncular scales (vs. 20-22 in P. exsul); 36-42 tubed lateral-line scale (vs. 40-46 in P. exsul); some body proportions and coloration (P. nazcae with red oblong area below posterior end of soft dorsal fin, extending onto caudal peduncle vs. P. parini with 2 orange-red bars on posterior half of body) (Ref. 83536).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Anderson, W.D. Jr., 2008. A new species of the perciform fish genus Plectranthias (Serranidae: Anthiinae) from the Nazca Ridge in the eastern South Pacific. Proc. Biol. Soc. of Wash. 121(4):429-437. (Ref. 83536)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.1 ±0.6 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.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).