Rhinecanthus aculeatus   (Linnaeus,  1758) (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Tetraodontiformes
Family:Balistidae

Image copyrights: Randall, J.E.

Description
Max. size: 30.0 cm TL.

Color: Pale grayish to yellowish white with a dark bluish brown broad band from gill opening backwards and upwards, bifurcating on body, one narrow branch to anterior and a broad band to posterior base of second dorsal and five narrow bands obliquely downwards to base of anal. Interorbital space bluish brown with 3 or 4 dark brown bands connecting eyes, a narrow dark band from eye towards front of base of pectoral and a broad dark band from eye to base of pectoral. A pale bluish band over upper lip and a white band above it to below base of pectoral. First dorsal slightly dark, other fins yellowish.

Head 2.40-2.65 in standard length, 2.9-3.1 in total length. Depth of body 1.9-2.2 in standard length, 2.3-2.6 in total length. Eye diameter 5.4-7.4 in head, 4.0-5.9 in snout and 1.5-1.8 in scarcely convex interorbital space. Upper profile of snout almost straight. First dorsal spine compressed, covered with coarse bony ridges and spinules on anterior side, its length equal to or slightly longer than half length of snout, second spine about half length of first, third spine minute. Second dorsal and anal slightly rounded, rays gradually decreasing in length to the last. Pectoral fin equal to or slightly longer than 1/3 of head. Ventral spine covered with tubercles and some strong spinules at its tip. Caudal fin rounded. Three longitudinal rows of anteriorly directed spines on posterior part of tail and caudal peduncle, the upper and middle rows having 9 to 14 spines and the lower one short, developed only on caudal peduncle of 3 to 7 spines.
Number of spines in the first dorsal fin: III; number of spines and rays in the second dorsal fin: ii, 21-23; number of spines and rays in the anal fin: ii, 19-20; number of rays in the pectoral fin: i, 12; number of scale rows along the midside of body from the upper corner of operculum to the midbase of caudal fin in the absence of lateral line: 36-39+4-5; number of horizontal scale rows usually counted from origin of the dorsal fin to the lateral line and from anal origin to the lateral line: 22-23.

Dioecious, external fertilisation, guarders, nesters. Oviparous, distinct pairing.

Sleep on its side, makes a whirring noise when alarmed.

Remarks: Values in above description denote proportions.


Synonym (s)
Balistes aculeatus Linnaeus, 1758
Balistapus aculeatus (Linnaeus, 1758)
(Senior synonym)
Balistes aculeatus Linnaeus, 1758
(Senior synonym)
Balistes heteracanthus Bleeker, 1859
(Junior synonym)
Balistes ornatissimus Lesson, 1831
(Junior synonym)
Monacanthus cheverti Alleyne & Macleay, 1877
(Junior synonym)
Rhinecanthus aculeatus (Linnaeus, 1758)
(Senior synonym)
Rhinecanthus aculeatus aculeatus (Linnaeus, 1758)
(Senior synonym)
Rhinecanthus aculeatus Smith, 1949
Rhineacanthus aculeatus (Linnaeus, 1758)
(Misspelling)

Common Name (s)
• Prickly Filefish (English)
• Furondu (Mahl)
• Vellakkaratti (Malayalam)
• White-Banded Triggerfish (English)
Economic Importance and Threats
Importance:  Commercial
(Fisheries, aquarium, ornamental fish)

Ecology
Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Zoobenthos, zooplankton, detritus, finfish, shrimps, benthic algae/weeds, other plants

Biogeography


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Lakshadweep, Minicoy Atoll (Lat: 8) (Long: 71) INDIA
• Lakshadweep (Lat: 11) (Long: 72.5) INDIA
• Lakshadweep, Kavaratti Atoll (Lat: 10.55) (Long: 72.63) INDIA (Record: 01/1991-06/1992)
• Lakshadweep, Agatti INDIA
• Lakshadweep, Amini INDIA
• Lakshadweep, Bitra INDIA
• Lakshadweep, Chettalatt INDIA
• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep, Suheli INDIA
• Lakshadweep INDIA
• Red Sea
• MALDIVES
• INDIA
• SRI LANKA
• Andaman and Nicobar Islands, Great Nicobar Island INDIA (Record: 08/2000-07/2003)
• Tamil Nadu, Gulf of Mannar INDIA
• Andaman and Nicobar Islands, North Reef Island INDIA
• Lakshadweep, Amini Island (Lat: 11.08) (Long: 72.75) INDIA (Record: 03/1954)
• Lakshadweep, Kavaratti Atoll INDIA (Record: 01/1991-06/1992)
• Lakshadweep Islands INDIA (Record: 11/1993-01/1997)
• Lakshadweep, Minicoy Island (Lat: 8.11) (Long: 73.3) INDIA
• Andaman and Nicobar Islands INDIA

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Page last updated on:2011-12-13

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