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Cucullanus bulbosus, scanning electron microscopy. Cucullanus bulbosus is a species of parasitic nematodes. [1] [2] It is an endoparasite of carangid fishes.In 1916, Lane [1] described a new cucullanid species, Bulbodacnitis bulbosa, from the bluefin trevally Caranx melampygus off Sri Lanka and established the new genus Bulbodacnitis to accommodate it, because he considered the presence of a ...
Sri Lanka is a tropical island situated close to the southern tip of India. It is situated in the middle of Indian Ocean. Because of being an island, Sri Lanka has many endemic freshwater fauna, as well as thousands of marine and brackish water fauna. [1] Fishing is the way of life of most of coastal community.
Sri Lankan freshwater habitats can be divided into 6 major types - river, stream, lake, pond, villu and paddy field - according to size, depth, rate of flow and type of bottom. Medium-sized rivers are called Oya and fast flowing streams torrential streams are called Dola in Sinhalese. The following list provide the freshwater fauna of Sri Lanka.
The low salinity and high osmotic pressure makes them so different. Few fish can be found in all three ecological systems. There are 95 species of freshwater fish occur in the country, where 53 of those are endemic. 41% of all known species of fish of Sri Lanka are found in freshwater. There are about 70% of endemism of those fish.
This wound on the fish then heals, leaving almost no scarring. Species of Philometra require two hosts to complete their life cycle. After the larval worms are released from the host fish, they are ingested by copepods which act as an intermediate host. Once inside the copepod, the larvae molt several times. Fish may then eat the infested copepod.
Pages in category "Fish of Sri Lanka" The following 43 pages are in this category, out of 43 total. This list may not reflect recent changes. ...
Sri Lanka is known to be home to 794 species of Hemipterans. Detailed work of Sri Lankan hemipterans are recorded in the book Catalogue of Hemiptera of Sri Lanka. Sri Lanka comprises 74 species in 46 genera and 6 families of aphids within the order Hemiptera. 2 endemic aphid species are found on Sri Lanka
Macrognathus pentophthalmos, the Sri Lanka five-eyed spiny eel, is a small species of spiny eel that is endemic to freshwater habitats in Sri Lanka.Described as a common species as recently as 1980, for unknown reasons its population rapidly declined in the following years and there are no recent confirmed records. [3]