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Eupercaria/misc (Various families in series Eupercaria) >
Labridae (Wrasses) > Xyrichtyinae
Etymology: Novaculops: Latin, novacula = razor + Greek, ops = appearance (Ref. 45335); halsteadi: Named for Robert A. Halstead, who observed the species in Papua New Guinea and suspected it was undescribed..
More on authors: Randall & Lobel.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 15 - 100 m (Ref. 90102). Tropical
Pacific: Papua New Guinea, Guam, Wake Island, and Tahiti.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm SL maschio/sesso non determinato; (Ref. 75958)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 9; Raggi dorsali molli (totale) : 12; Spine anali: 3; Raggi anali molli: 12; Vertebre: 25. This species is characterized by the following: D IX,12, the first two dorsal spines flexible and shorter than longest dorsal soft rays; body depth 3.1-3.35 in SL; cheek scaleless; 2 small scales dorsally on opercle; gill rakers 17-20; juveniles and females whitish with a red stripe from above eye to back at base of dorsal fin; males with a pale-edged black spot on seventh lateral-line scale and scales below (Ref. 75958).
Found solitary or in small groups near reefs in sand-rubble bottoms (Ref. 90102). Feeds on small benthic invertebrates (Ref. 89972). Maximum depth reported taken from Ref. 128797.
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Oviparous, distinct pairing during breeding (Ref. 205).
Randall, J.E., 2013. Seven new species of labrid fishes (Coris, Iniistius, Macropharyngodon, Novaculops, and Pteragogus) from the Western Indian Ocean. J. Ocean Sci. Found. 7:1-43. (Ref. 93522)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 26.5 - 28.8, mean 27.9 °C (based on 72 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00397 - 0.02640), b=3.06 (2.84 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).