Aetomylaeus maculatus   (Gray,  1834) (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Rajiformes
Family:Myliobatidae

Image copyrights: Iranian Fisheries Research Organization (IFRO)

Description
Size: Max length 200 cm WD (male/unsexed)

Color: Brown dorsally with dark edged white spots posteriorly, tail indistinctly banded brown and darker, whitish ventrally.

Disc lozenge-shaped, its length about 1.8 times in width. Soft subrostral fin (snout) bluntly pointed, unilobed. Eye diameter 2.5 times in snout length. Mouth straight, without buccal processes on floor of mouth. Spiracles large, not visible from above, 2.2 times in eye diameter. Single dorsal fin at base of tail, placed behind end of pelvic fin bases. Tail long, whip-like; no caudal spine. Skin rough, with small tubercles or spines in dorsal area in young.

Dioecious, internal (oviduct) fertilization, internal live bearers. Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialized structures.


Synonym (s)
Aetomylaeus maculatus (Gray, 1834)
(Senior synonym)
Myliobatus cyclurus Kuhl & van Hasselt, 1823
(Ambiguous synonym)
Myliobatus maculatus Gray, 1834
(Senior synonym)
Myliobatis maculata Gray, 1834
Aetomylus maculatus Misra, 1969
(Misspelling)

Common Name (s)
• Mottled Eagle Ray (English)
• Bolad (Marathi)
• Wagli (Marathi)
• Bat Ray (English)
• Wagaliu (Gujarati)
• Panchadi thirukkai
Economic Importance and Threats
Importance:  Commercial, Dangers
(Fisheries; utilized for its meat.
Traumatogenic.)
Threats:  Anthropogenic
(Highly susceptible to a variety of inshore demersal fisheries, including trawls, gillnets and trammel nets which operate intensively throughout its range.)

Ecology
Habitat:  Reef Associated, Estuarine
IUCN Status:  Endangered

Biogeography


• INDIA
• SRI LANKA
• Tamil Nadu, Gulf of Mannar INDIA
• Gujarat INDIA
• Maharashtra, Malvan (Lat: 16.07) (Long: 73.47) INDIA

Literature Source(s)
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 pp 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
  • (2003) IUCN Red list of threatened species Available at - http://www.iucnredlist.org/
  • Dr. Kumaraguru, AK (2000) Studies on socioeconomics of Coral Reef resource users in the Gulf of Mannar coast, South India Centre for Marine and Coastal studies School of Energy, Environment and Natural Resources Madurai Kamaraj University, Madurai, India Available at - http://planningcommission.nic.in/reports/sereport/ser/stdy_coral.pdf
  • Kizhakudan, SJ; Nair, KVS and Zala, MS Demersal Finfish Resources of Gujarat Sustainable fisheries development: Focus on Gujarat 57-66 Available at - http://eprints.cmfri.org.in/6060/
  • 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 - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.pdf
  • Tike, MJ; Samant, JS; Mohite, SA (2009) Diversity status of minor fish and shellfish along Malvan coast, Maharshtra Indian Journal of Applied and Pure Biology Indian Journal of Applied and Pure Biology, India 24(2) 441-448 Available at - http://nicmas.nio.org/eprints11/Indian_J_Appl_Pure_Biol_24_441.pdf

Page last updated on:2012-02-01

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