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Novaculichthys taeniourus  (Lacepède, 1801)

Rockmover wrasse
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| Native range | All suitable habitat | PointMap | Year 2100 |
This map was computer-generated and has not yet been reviewed.
Novaculichthys taeniourus   AquaMaps   Data sources: GBIF OBIS
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Image of Novaculichthys taeniourus (Rockmover wrasse)
Novaculichthys taeniourus
Picture by Cook, D.C.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Labridae (Wrasses) > Cheilininae
Etymology: Novaculichthys: Latin, novacula = razor + Greek, ichthys = fish (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 3 - 25 m (Ref. 30573), usually ? - 14 m (Ref. 27115).   Tropical; 24°C - 28°C (Ref. 27115); 30°N - 30°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 2334)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 12-13; Anal spines: 3; Anal soft rays: 12 - 13. Juveniles have long extended dorsal fin spines (Ref. 48636).

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

Indo-Pacific: Red Sea to South Africa (Ref. 35918) and the Tuamoto Islands, north to Ryukyu and Hawaiian islands, south to Lord Howe Island. Eastern Pacific: Gulf of California to Panama and the Galapagos Islands (Ref. 5227).

Biology     Glossary (e.g. epibenthic)

Inhabit semi-exposed reef flats and lagoon and seaward reefs (Ref. 1602). Common in areas of mixed sand, and rubble that are subject to mild surge (Ref. 1602, 58466). Benthopelagic (Ref. 58302). Juveniles shallow on rubble amongst large bommies or protected open patches on reef crests and swim as if were a leaf floating along the bottom; large adults move along over large reef section, usually in pairs and typically turn or shift large pieces of rubble or debris that they grab and pull with their mouth or push over with their snout. Often, while one works the piece, the other grabs exposed prey. They are sometimes called rock-mover wrasse, but they don't move real rocks (Ref. 48636). Highly territorial (Ref. 9823). Feed on mollusks, sea urchins, brittle stars, polychaetes, and crabs (Ref. 5213); feeding is done by overturning large rocks to expose target preys. The young imitate drifting masses of algae (Ref. 2334). Marketed fresh (Ref. 9311). Minimum depth reported from Ref. 30874.

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

Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=-1.83000 (nan - nan), b=2.97 (2.76 - 3.18), based on LWR estimates for this Subfamily-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.40 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate vulnerability (35 of 100) .
Price category (Ref. 80766):   Very high.