Gymnapogon africanus   Smith,  1954 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: SFSA

Size: Max length 5.0 cm TL (male/unsexed)

Color: Uniform light tan; tip of snout, chin and occiput with some pigmentation. Fins transparent; two dark marks at base of caudal fin.

Head 2.5 in standard length, 3.3 in total length. Depth of body 3.8 in standard length, 4.9 in total length. Eye diameter 3.4 in head, 0.8 in snout and 0.9 in interorbital space. Maxillary reaching a vertical through posterior margin of eye. Preoperculum with a stout triangular spine at posterior margin and a transparent preopercular flap below the spine. Minute papillae present on top of head, lower jaw, cheek, opercles and sides of body. Teeth small in a single series in posterior three fourths of upper jaw, 3 canines on each side anteriorly in upper jaw, 2 canines on each side of symphysis of lower jaw and 4 recurved canine teeth along middle half of lower jaw on each side and a single row of villiform teeth posteriorly. Vomer with one caninoid tooth and palatines with four or five small teeth. Body completely scaleless. Lateral line not evident. Pectoral fin equal to head without snout. Ventral fin equal to postorbital part of head. Caudal fin forked.
Number of spines in the first dorsal fin: VI; number of spines and rays in the second dorsal fin: I, 9; number of spines and rays in the anal fin: II, 9; number of rays in the pectoral fin: 14; number of spines and rays in the ventral fin: I, 5.

Dioecious, external fertilization. Distinct pairing during courtship and spawning.

Remarks: Values in above description denote proportions.

Synonym (s)
Gymnapogon africanus Smith, 1954
(Senior synonym)

Common Name (s)
• Crystal Cardinal (English)
Economic Importance and Threats



• Lakshadweep, Kavaratti INDIA
• Lakshadweep INDIA

Literature Source(s)
  • Wafar, MVM (2003) Checklists of reef fauna Available at -
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Jones, S and Kumaran, M (1980) Fishes of the Laccadive Archipelago The Nature Conservation and Aquatic Sciences Service, Trivandrum, Kerala 760 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Jones, S and Kumaran, M (1970) New records of fishes from the seas around India - part VII Journal of the Marine Biological Association of India Marine Biological Association of India 12(1-2) 187-196 Available at -

Page last updated on:2011-02-17

Back to Search