Istiblennius lineatus   (Valenciennes,  1836) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 15 cm TL (male/unsexed)

Color: Brownish, lighter below with six prominent narrow black bands along the sides, breaking up into streaks and spots on caudal peduncle. The upper 1-3 lines irregular and running oblique towards 6 pairs of blackish spots on dorsal edge of body. 6-7 vertical dark bars sometimes present on sides of body. Head with wavy streaks and spots. Second dorsal pale with oblique brownish stripes. Anal pale with marginal brownish band. Dorsal lighter in color in females than in males and with a narrow light submarginal dusky band on anal.

Head 4.8-5.3 in standard length, 5.5-6.3 in total length. Depth of body 4.9-5.8 in standard length, 5.7-6.5 in total length. Eye diameter 3.7-4.3 in head and about twice interorbital space. Upper lip crenulate, lower lip smooth. No canine teeth. Nasal cirrus short with 4-5 filaments. Supraorbital cirrus broad, with 4 or 5 short filaments on either side. Nuchal tentacle absent. Crest well developed in males. First dorsal and second dorsal of almost equal height. Last ray of dorsal fin joined to the caudal fin by membrane. Pectoral fin equal to head without snout.
Number of spines and rays in the dorsal fin: XIII, 21-23; number of spines and rays in the anal fin: II, 23; number of rays in the pectoral fin: 14; number of spines and rays in the ventral fin: I, 3.

Dioecious, external fertilization, guarders, nesters. Oviparous, distinct pairing. Eggs are demersal and adhesive.

Remarks: Values in above description denote proportions.

Synonym (s)
Halmablennius lineatus (Valenciennes, 1836)
(Senior synonym)
Istiblennius lineatus (Valenciennes, 1836)
(Senior synonym)
Salarias hasseltii Bleeker, 1851
(Junior synonym)
Salarias kingii Valenciennes, 1836
(Junior synonym)
Salarias lineatus Valenciennes, 1836
(Senior synonym)
Salarias lividus Thiolliere, 1857
(Junior synonym)
Salarias mccullochi Fowler & Bean, 1923
(Junior synonym)
Salarias multilineatus Fowler, 1945
(Junior synonym)
Salarias lineatus Cuvier and Valenciennes, 1836
Halmablennius lineatus Smith, 1959
Istiblennius lineatus Munro, 1955

Common Name (s)
• Linned Blenny (English)
• Digu Funna (Mahl)
• Kattu (Mahl)
• Kakkadan (Malayalam)
• Mandian (Malayalam)
• Lined Blenny
Economic Importance and Threats
Importance:  Commercial
(Aquarium )

Habitat:  Reef Associated, Estuarine, Coastal
Trophic Level:  Primary Consumer
Prey:  Benthic algae/weeds


• Lakshadweep, Agatti INDIA
• Lakshadweep, Chettalatt INDIA
• Lakshadweep, Kalpeni INDIA
• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Kilttan INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• Red Sea
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • 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 -
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean; (Fishing area 51). FAO, Rome 1 Available at -
  • Jones, S. (1969) Catalogue of fishes from the Laccadive Archipelago in the reference collections of the Central Marine Fisheries Research Institute. Bulletin of Central Marine Research Institute CMFRI, Cochin 8 1-35 Available at -
  • Talwar, PK (1990) Fishes of Andaman and Nicobar Islands: A synoptic survey Journal of the Andaman Science Association Andaman Science Association, Port Blair 6(2) 71-102 Available at - NIO,Goa
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at -

Page last updated on:2011-12-05

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