Gattyana deludens   Fauvel,  1932 (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Size: Length 12-19 mm by 5-7 mm.

Body elongate oval, nearly uniform in breadth, much flattened. 36-38 setigerous segments. Prostomium bilobed, frontal peaks blunt, 4 small black eyes. Elongate median tentacle, borne on a large ceratophore. Lateral tentacles filiform, much shorter, ciliated, inserted beneath the base of the median tentacle. Paips tapering. Tentacular cirri and tentacles with clavate papillae. Dorsal cirri little exceeding the setae. Ventral cirri short. Cirrigerous feet provided with a long gill-like dorsal process. 15 pairs of elytra, yellow, tough crossing and overlapping, covering the whole body. The first pairs orbicular, next reniform; fringed on the outer edge, upper surface smooth, divided into conspicuous polygonal areas, without any spines or papillae and without any secondary areoles in the meshes. Dorsal ramus small, conical with an enclosed aciculum and a number of white setae, long, slender, hair-like with transverse rows of delicate spines and a finely tapering, undulating tip. The superior dorsal setae are shorter, stouter, bent and denticulate. Ventral ramus larger, conical, with an enclosed aciculum and yellowish setae, larger with a longer spinulose part slightly enlarged and a smooth unidentate tip. 2 long papillated anal cirri.

This species is associated with hermit crabs. It lives inside the gastropod shells inhabited by hermit crabs.
Harmothoe iphionelloides Johnson (1901) which is also a Gattyana is a closely allied species.

Synonym (s)
Gattyana deludens Fauvel 1932
Gattyana deludens Fauvel 1953

Common Name (s)
Economic Importance and Threats

Habitat:  Rocky, Sandy, Coastal


• West Bengal, Sundarbans (Lat: 21.5) (Long: 88.17) INDIA
• West Bengal, Digha Coast (Lat: 21.61) (Long: 87.53) INDIA
• Goa, Mandovi Estuary (Lat: 15.28) (Long: 73.52) INDIA
• Tamil Nadu, Parangipettai Coast (Lat: 11.48) (Long: 79.76) INDIA (Record: 1998)
• INDIA (Record: 1998)
• Orissa INDIA (Record: 1953)
• Pondicherry INDIA (Record: 1953, 1971)
• Tamil Nadu, Chennai INDIA (Record: 1953, 1971)
• West Bengal, Gangetic Delta INDIA (Record: 1971)
• Orissa, Balasore INDIA (Record: 1971)
• Maharashtra, Mumbai INDIA (Record: 1971)
• Maharashtra, Ratnagiri INDIA (Record: 1971)
• Maharashtra, Malvan INDIA (Record: 1971)
• Maharashtra, Malvan (Lat: 16.08) (Long: 73.05) INDIA (Record: 1981)
• Tamil Nadu, Porto Novo INDIA

Literature Source(s)
  • (2002) Some invertebrate species recorded in Indian Sunderbans West Bengal Biodiversity Strategy and Action Plan(BSAP), Oct 2002
  • Misra, A; Soota, TD and Chowdhury, A (1983) On some polychaetes from Gangetic Delta, West Bengal, India Records of the Zoological Survey of India 81(1-2) 41-54 Available at - Pune University, Pune
  • Hartman, O (1974) Polychaetous annelids of the Indian Ocean including an account of species collected by members of the International Indian Ocean Expeditions, 1963-1964, and a catalogue and bibliography of the species from India. Part II Journal of the Marine Biological Association of India 16(2) 609-644 Available at - NCL, Pune
  • Mandal, AK and Nandi, NC (1989) Fauna of Sundarban mangrove ecosystem, West Bengal, India Fauna of Conservations 3 35431 Available at - NIO, Goa
  • Goswami, BCB (1992) Marine fauna of Digha coast of West Bengal, India Journal of Marine Biological Association of India The Marine Biological Association of India, Cochin 34 115-137 Available at - NIO, RC Kochi
  • Parulekar, AH; Dhargalkar, VK and Singbal, SYS (1980) Benthic studies in Goa estuaries: Part III- Annual cycle of macrofaunal distribution, production and trophic relations Indian Journal of Marine Sciences 9 189-200 Available at - NIO, RC Kochi
  • Srikrishnadhas, B; Murugesan, P and Khan, SA (1998) Polychaetes of Parangipettai coast Annamalai University, Parangipettai 110 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Fauvel, P (1953) The fauna of India including Pakistan, Ceylon, Burma and Malaya: Annelida, Polychaeta The Indian press ltd., Allahabad 507 pp Available at - NIO, Goa
  • Parulekar, AH (1971) Polychaetes from Maharashtra and Goa Journal of Bombay Natural History Society Bombay Natural History Society 68(3) 726-749 Available at - NIO, Goa
  • Parulekar, AH (1981) Marine fauna of Malvan, central west coast of India Mahasagar - Bulletin of National Institute of Oceanography NIO 14(1) 33-44 Available at - NIO, Goa
  • Srikrishnadhas, B; Ramamoorthi, K and Balasubrahmanyan, K (1987) Polychaetes of Porto Novo waters Journal of the Marine Biological Association of India The marine biological association of India 29(1&2) 134-139 Available at - NIO, Goa

Page last updated on:2011-04-12

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