Sharks and Rays

Ray-finned fishes

Eels and Morays

Halosaurs and deep-sea Spiny eels

Jellynose fishes

Lightfishes and Dragonfishes

Live bearers, Killifishes and Rivulines

Perch-like fish

Antarctic dragonfishes

Asian leaffishes

Asian seaperches

Asiatic glassfishes

Australian salmon

Bagless glassfishes

Barbeled grunters

Barbled plunderfishes

Bigeyes or catalufas

Butterflyfishes

Cales and weed-whitings

Catadromous icefishes

Chameleonfishes

Climbing gouramies

Collared wrigglers

Combtooth blennies

Crocodile icefishes

Crocodile toothfishes

Deep-sea scalyfins

Deepwater cardinalfishes

Drums or croakers

Emperors or scavengers

False scorpionfishes

False trevallies

Freshwater sleepers

Freshwater tripletails

Grunters or tigerperches

Jacks and pompanos

Kissing gourami

Lanternbellies, temperate ocean-basses

Long-finned pike

Longfin escolars

Mackerels, tunas, bonitos

Moonyfishes or fingerfishes

Oceanic basslets

Patagonian blennies

Pike-, tube- and flagblennies

Sand stargazers

Sea basses: groupers and fairy basslets

Slimys, slipmouths or ponyfishes

Slope dragonets

Snake mackerels

Snaketooth fishes

Southern basses

Southern sandfishes

Spadefishes, batfishes and scats

Spiny plunderfishes

Splendid perches

Surgeonfishes, tangs, unicornfishes

Temperate basses

Temperate perches

Threadfin breams, Whiptail breams

Threefin blennies

Pikes and Mudminnows

Pipefishes and Seahorses

Pricklefishes, Bigscales and Gibberfishes

Puffers and Filefishes

Pygmy sunfishes

Scorpionfishes and Flatheads

Sticklebacks and Seamoths

Sturgeons and Paddlefishes

Swallowers and Gulpers

Tarpons and Tenpounders

Trout-perches, Pirate perches and Cavefish

Velifers, Tube-eyes and Ribbonfishes

Lobe-finned fishes

Setting up your tank

DIY Fish Tank Stand

250L community aquarium

Bluespine unicornfish (Naso unicornis) fish species and information / pictures of Bluespine unicornfish - Naso unicornis

Bluespine unicornfish (Naso unicornis) fish species information

Scientific Name
Naso unicornis

Common Name
Bluespine unicornfish

Biology
Dorsal spines (total): 6; Dorsal soft rays (total): 27-30; Anal spines: 2; Anal soft rays: 27 - 30. Presence of a horn or rostrum. Both caudal lobes prolonged into filaments. Adult males tend to have better developed horn, peduncular spines, and caudal filaments than females of the same size. Caudal fin

Classification

Classified By

Forssk?l, 1775

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Surgeonfishes, tangs, unicornfishes (Acanthuridae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Red Sea and East Africa (Ref. 3145) to the Hawaiian, Marquesas and Tuamoto islands, north to southern Japan, south to Lord Howe and Rapa islands. Presence in Somalia to be confirmed (Ref. 30573).

Range

35°N - 33°S

Environment

Climate

Tropical

Water Temperature From

26 °C

Water Temperature To

29 °C

Depth From - meters

1 m

Depth To - meters

80 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 1 - 80 m (Ref. 9710)

Trophic Level

2.17 s.e. 0.11 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

70.0 cm

Common Length

50.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial; gamefish: yes; aquarium: commercial

Vulnerability

High vulnerability (57 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.14)

Threat To Humans

Reports of ciguatera poisoning (Ref. 4795)

IUCN Red List Status

Not Evaluated