Spotted unicornfish
📖 Overview
Inhabit mid-waters along steep outer lagoon and seaward reef drop-offs. Also found along rocky shores . Benthopelagic . Usually in small groups but form large schools in oceanic locations or on reefs subject to strong currents . Juveniles and subadults feed on benthic algae; adults feed on zooplankton. Pair spawning has been observed. Caught with nets . Minimum depth reported taken from Ref. 128797.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 6; Dorsal soft rays (total): 27 - 29; Anal spines: 2; Anal soft rays: 27 - 30. This species is distinguished by the following characters: body moderately deep and compressed, its depth 2.6 to 3 times in standard length (SL) (reported greatest depth of body in subadults at 2.3 in SL, Ref. 90102); dorsal profile of body uniformly convex; adults with a median, broad-based, tapering, horn-like projection extending directly anteriorly from snout at level of lower part of eye to more than 1/2 head length in front of mouth (first developing as a bump on forehead of young of about 10 cm SL; dorsal profile of snout from upper lip to base of horn very short, curved, and nearly vertical; mouth small; teeth small, spatulate, with denticulate edges, about 50 in each jaw; a continuous unnotched D VI,27-29; A II,27-30; pectoral-fin rays 15-17; pelvic fins I,3; caudal fin slightly rounded, without a filament from each corner; 2 bony plates on each side of caudal peduncle, developing moderate keels with age; colour of body olivaceous grey-brown to light grey, usually with vertical dark brown lines on body which break into small spots dorsally and ventrally; some individuals only with small dark spots; head with small dark brown spots or short irregular lines which become long and oblique on horn (dark markings on one pale phase may be faint or absent; in another phase the anterior third of the body may be distinctly paler than the rest); caudal fin whitish with a large diffuse dark blotch centrobasally in fin .: fusiform / normal; Cross section: compressed.
🌀 Behaviour
Behavioural data for Spotted unicornfish is currently being reviewed.
🦐 Diet
Diet information for Spotted unicornfish is currently being compiled.
🥚 Reproduction
Probably spawn in pairs .
🌍 Habitat & Distribution
Marine; reef-associated; depth range 0 - 122 m , usually 4 - 46 m . Tropical; 24°C - 28°C ; 29°N - 36°S, 26°E - 137°W East Africa to the Hawaiian, Marquesas and Ducie islands, north to southern Japan, south to Lord Howe Island (Ref.
🌿 Ecology
benthic algae; adults feed on zooplankton
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Spotted unicornfish is an edible species."
- Clear, bright eyes — cloudy eyes indicate age
- Firm flesh that springs back when pressed
- Fresh ocean smell, never strong or ammonia-like
- Bright red or pink gills, not grey or brown
- Shiny, moist skin with scales tightly attached
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 18.7 g |
| Omega-3 (total) | 135 mg |
🔬 Mercury Safety
Mercury data for Spotted unicornfish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Brown Unicornfish · Longnose Unicornfish · Palefin Unicornfish · Short-nosed Unicornfish · Shortnose Unicornfish · Shortnosed Kala · Shortsnout Unicornfish · shortnosed unicornfish · spotted unicornfish |
| 🌍AFR | Gespikkelde eenhoringvis |
| 🇩🇰Danish | Langsnudet Næsehornsfisk |
| 🇩🇪German | Einhornfisch |
| 🇫🇷French | Corne · Nasique · Nason Pointillé · Nason à rostre court |
| 🇯🇵Japanese | Tsumari-tenguhagi · ツマリテングハギ |
| 🇵🇹Portuguese | Rufia Manchada |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Cyphomycter coryphaenoides | Smith | 1955 | Synonym |
| Naseus brevirostris | Valenciennes | 1835 | Heterotypic |
| Naseus longicornis | Guérin-Méneville, 1829-38 | - | Synonym |
| Naso brevirostris | Valenciennes | 1835 | Heterotypic |
| Naso brevorostris | Cuvier | 1829 | Synonym |
| Naso coryphaenoides | Smith | 1955 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 17 records indexed .
👥 Community & Contribute
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