Kerala Current Affairs

Labeo filiferus: New species of edible fish found in Pampa river in Kerala

Researchers have discovered new species of edible freshwater fish in Pampa river in Pathanamthitta, Kerala. It has been named as Labeo filiferus (L.filiferus) and belongs to Labeo genus.

The name of newly found newly fish was taken from Latin word filiferus which refers to very long dorsal fin of the species. It can be found in entire stretch of Pampa River running through Edakadathy in Pathanamthitta.

Labeo filiferus

The Labeo filiferus characteristics are black coloured body and fins, smaller eyes, longer snout, prominent barbels and elongated dorsal and anal fins. It is 20 to 40 cm long and weighed four to five kilograms. Its eyes are brilliantly coloured with orange tinge. It can possibly be farmed on a commercial scale. It is second fish belonging to Labeo genus to be discovered in Kerala after L.dussumieri.

Labeo genus fishes

Fishes belonging to Labeo genus are widely distributed in inland waterbodies of India, Pakistan, Bangladesh, Nepal, Sri Lanka, Myanmar, Malaysia, tropical Africa and Syria. They are medium-sized elongate fishes with rounded abdomen, finged lips, swollen snout and straight lateral line. As many as 31 species of Labeo are reported to be present in India, of them L.rohita (commonly known as Rohu) is extensively used in aquaculture.


Two new species of Earthworm discovered in Kerala

Scientists have discovered two new species of earthworm belonging to the primitive family Moniligastridae in Western Ghats ranges of Kerala.

The new earthworms distinguished by a set of characters have been named as Drawida polydiverticulata and Drawida thomasi.

Key Facts

In total, there are about 200 species of earthworm known in genus Drawida. To date, there are 73 earthworm species belonging to genus Drawida living in Indian subcontinent. The greatest concentration (43 species) is found in Western Ghats.

Drawida polydiverticulata: It has multiple lobes called diverticulums. It is an organ located in the front of its body which is unique amongst the members of the genus. It was found to be widespread in the protected shola grasslands of the Munnar region, including Eravikulam National Park, Pampadun Shola National Park and Chinnar Wildlife Sanctuary.

Drawida thomasi: It was discovered at the Kozhippara Waterfalls near Kakkadampoyil, at the border between Malappuram and Kozhikode. The species has been named as a tribute to Professor A.P. Thomas who initiated the taxonomical studies on earthworms in Kerala.