Thryssa malabarica

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Malabar Thryssa
Engraulis malabaricus Achilles 157.jpg
Not evaluated (IUCN 3.1)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Clupeiformes
Family: Engraulidae
Genus: Thryssa
Species:T. malabarica
Binomial name
Thryssa malabarica
(Bloch, 1795)
Synonyms
  • Clupea malabaricusBloch, 1795
  • Clupea malabaricaBloch, 1795
  • Thrissocles malabaricus(Bloch, 1795)
  • Thryssa cuvieri(Swainson, 1839)

Gautama thryssa (Thryssa malabarica), also known as Malbar anchovy, is a species of amphidromous ray-finned fish in the family Engraulidae. [1] It is known as Balal parattaya - බළල් පරට්ටයා in Sri Lanka.

Actinopterygii class of fishes

Actinopterygii, or the ray-finned fishes, constitute a class or subclass of the bony fishes.

Sri Lanka Island country in South Asia

Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia, located in the Indian Ocean to the southwest of the Bay of Bengal and to the southeast of the Arabian Sea. The island is historically and culturally intertwined with the Indian subcontinent, but is geographically separated from the Indian subcontinent by the Gulf of Mannar and the Palk Strait. The legislative capital, Sri Jayawardenepura Kotte, is a suburb of the commercial capital and largest city, Colombo.

Contents

Description

It is distributed throughout the Indian Ocean of coast of India, Sri Lanka, and possibly Pakistan. It is a small schooling fish found in depth of 20-50m. Maximum length do not exceed 17.5 cm. The fish lack dorsal soft rays and only present 34 to 38 anal soft rays. There are 23 to 26 keeled scutes on belly. The characteristic feature to identify the fish is the presence of a dark blotch behind upper part of gill opening, and spots on cheeks and paired fins. Gill arches are pinky orange in color.

Indian Ocean The ocean between Africa, Asia, Australia and Antarctica (or the Southern Ocean)

The Indian Ocean is the third largest of the world's oceanic divisions, covering 70,560,000 km2 (27,240,000 sq mi). It is bounded by Asia on the north, on the west by Africa, on the east by Australia, and on the south by the Southern Ocean or, depending on definition, by Antarctica.

Pakistan federal parliamentary constitutional republic in South Asia

Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia. It is the world’s sixth-most populous country with a population exceeding 212,742,631 people. In area, it is the 33rd-largest country, spanning 881,913 square kilometres. Pakistan has a 1,046-kilometre (650-mile) coastline along the Arabian Sea and Gulf of Oman in the south and is bordered by India to the east, Afghanistan to the west, Iran to the southwest, and China in the far northeast. It is separated narrowly from Tajikistan by Afghanistan's Wakhan Corridor in the northwest, and also shares a maritime border with Oman.

Shoaling and schooling

In biology, any group of fish that stay together for social reasons are shoaling, and if the group is swimming in the same direction in a coordinated manner, they are schooling. In common usage, the terms are sometimes used rather loosely. About one quarter of fish species shoal all their lives, and about one half shoal for part of their lives.

See also

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References

  1. "Thryssa-malabarica". fishbase.org.