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Novaculops alvheimi  Randall, 2013

St. Brandon’s sandy
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Labridae (Wrasses) > Xyrichtyinae
Etymology: Novaculops: Latin, novacula = razor + Greek, ops = appearance (Ref. 45335);  alvheimi: Named for Oddgeir B. Alvheim of the Institute of Marine Research in Norway, who recognized the two type specimens from the trawl hauls of the R/V Dr. Fridtjof Nansen as a probable new species and took a color photograph of each.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range ? - 60 m (Ref. 93522).   Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indian Ocean: Mauritius, St. Brandon’s Shoals.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL male/unsexed; (Ref. 93522); 8.3 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 12; Vertebrae: 24. This species is distinguished by the following characters: D IX,12, first spine flexible, remaining spines firm and sharp-tipped, the space between first two dorsal spines half space between second and third spines; A III,12; pectoral rays 12; head no scales; no median predorsal scales; scales on side of nape extending to above free dorsal end of preopercular margin; gill rakers 18-21; lateral-line scales 20 + 5; body depth 3.2 in SL; dorsal profile of snout evenly convex; suborbital depth short, less than eye diameter, 5.3-5.45 in head length (HL); caudal fin slightly rounded and short, 1.35-1.4 in HL; pelvic fins nearly or just reaching anus, 1.4 in HL. Preserved color of body in alcohol light yellowish brown; fins pale yellowish; a large black spot in axil of pectoral fins; a blackish spot on each membrane of spinous portion of dorsal fin, darker in male; color of body of male when fresh with a series of indistinct longitudinal bands: orangish brown below base of dorsal fin, blue in a zone along lateral line, the lateral-line pores white (progressively fainter posteriorly), light blue suffused with yellow in a broad zone along midside, and blue and white ventrally; snout and nape orangish gray with an oblique deep orange band behind eye; rest of head yellowish white; iris bright red; spinous dorsal fin blue with a deep blue spot ventrally on each membrane; remaining median and pelvic fins light orange; pectoral fins pale yellow with a bluish black spot in axil. Color of body of female purplish pink with 2 broad white longitudinal bands on lower side, narrowing posteriorly, and ending before caudal peduncle; ten close-set, oblique, white lines crossing abdomen from pectoral region of lower white band; a broad, oblique, dark purplish red zone from nape to upper operculum; a large black spot in axil of pectoral fins; fins pale yellowish to orangish (Ref. 93522).

Biology     Glossary (e.g. epibenthic)

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Oviparous, distinct pairing during breeding (Ref. 205).

Main reference Upload your references | References | Coordinator : Westneat, Mark | Collaborators

Randall, J.E., 2013. Seven new species of labrid fishes (Coris, Iniistius, Macropharyngodon, Novaculops, and Pteragogus) from the Western Indian Ocean. J. Ocean Sci. Foundation 7:1-43. (Ref. 93522)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries:
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