Apocryptodon madurensis   (Bleeker)  1849 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Shao, K.T.

Size: 7.7-9 cm.

Color: Grayish, laterally with 5 indistinct red blotches. Head with numerous black spots. Anal fin dark. Pectoral fin darker towards lower margin, lower margin bordered with white. Caudal fin darker towards lower margin, lower margin bordered with white.

Body elongate, covered with cycloid scales, height 5.5-6.5 in length, head 4 in length. Eye 6 in head, interorbital half of the eye diameter. Snout as long as eye. Lateral line scales 50-55. Dorsal with 29-30 rays. Mouth oblique, upper jaw prominent. Maxillary extends to beyond eye. Teeth in upper jaw 8-16 on each side, in lower jaw horizontal, bilobate, 12-30 on each side. A pair of canines behind symphysis of lower jaw. Scales cycloid, becoming larger posteriorly. Head scaled above behind eye, on cheek and opercle. Dorsal fins sub continuous, the membrane behind the sixth ray of first dorsal fin is connected with the first ray of second dorsal fin. First dorsal fin about as high as body, third and fourth rays are filiform. Second dorsal and anal fin lower than first dorsal fin. Pectoral fin as long as postorbital part of head. Ventral fin a little shorter. Anal with 23 rays. Caudal fin pointed a little longer than head.

It lives in deep burrows which contain water even during ebb tides. This species cannot withstand drought conditions for a long period.

Remarks: Values in above description denote proportions.

Synonym (s)
Apocryptes bleekeri Day, 1876
(Junior synonym)
Apocryptes glyphisodon Bleeker, 1849
(Junior synonym)
Apocryptes madurensis Bleeker, 1849
(Senior synonym)
Apocryptodon bleekeri (Day, 1876)
(Junior synonym)
Apocryptodon glyphisodon (Bleeker, 1849)
(Junior synonym)
Apocryptodon lomboyi Ablan, 1940
(Junior synonym)
Apocryptodon madurensis (Bleeker, 1849)
(Senior synonym)
Apocryptodon malcolmi Smith, 1931
(Junior synonym)
Apocryptodon montalbani Herre, 1927
(Junior synonym)
Apocryptodon sealei Herre, 1927
(Junior synonym)
Apocryptodon taylori Herre, 1927
(Junior synonym)
Apocryptes madurensis Bleeker, 1849
Apocryptodon madurensis Koumans, 1953
Apocryptes madurensis Gunther, 1861
Apocryptes madurensis Day, 1873
Apocryptes bleekeri Day, 1878
Apocryptes bleekeri Day, 1889
Apocryptodon malcolmi H. M. Smith, 1931
Apocryptodon punctatus Tomiyama, 1934
Apocryptodon bleekeri Tomiyama, 1936
Apocryptodon malcolmi Koumans, 1940
Apocryptodon glyphisodon Koumans, 1941

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal, Estuarine, Coastal
Trophic Level:  Consumer
Prey:  Diatoms and detritus


• West Bengal, 24 Parganas INDIA (Record: 1995)
• Andhra Pradesh INDIA (Record: 1995)
• Tamil Nadu INDIA (Record: 1995)
• Tamil Nadu, Chennai Coast INDIA (Record: 2003)
• Tamil Nadu, Gulf of Mannar INDIA (Record: 2003)
• INDIA (Record: 1953)
• West Bengal (Lat: 21.45) (Long: 87.9) INDIA

Literature Source(s)
  • Mukherjee, P (1995) Intertidal fishes Estuarine ecosystem series, Part 2: Hugli Matla Estuary ZSI, Calcutta 345-388 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at - http://tnenvis.nic.in
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. Available at - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • Koumans, FP (1953) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 10 423 pp Available at - NIO, Goa
  • Das, P; De, SP; Bhowmik, RM; Pandit, IK; Sengupta, R; Nandi, AC; Thakurta, SC and Saha, S (2007) Piscine diversity of West Bengal Fishing chimes 27(5) 15-28 Available at - NIO, Goa

Page last updated on:2012-01-24

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