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Locality : Igatpuri Lake ; the River Godavari at Nasik.
14.Corvospongilla ultima var. spinosa (Annandale)
Locality : Yemma river at Medha, Satara District.
This phylum includes hydras, sea-anemones, jellyfishes and corals. There are
about 9,000 known species in the world and all except a few species are marine.
The following freshwater species occur in Maharashtra.
Class : Hydrooa.
Order : Hydroida.
Naked Hydrozoa reproducing their kind by means of buds, or eggs or fission ; no
alternation of generations.
Family : Hydridae.
Small elentheroblastea in which the mouth is surrounded by hollow tentacles. No
permanent colonies are formed. Reproduction is by budding.
Systematic List of Species
I. Hydra vulgaris (Pallas). Found in Stagnant water; in ponds containing aquatic
vegetation; attached 10 plants like Lemna (Duckweed) and Limnanthemum.
Locality : Island of Bombay.
Order : Trachylene.
These are hydrozoa which exist only as medusae, the poly stage being absent.
Suborder : Trachymedusae
1. Limnocnida indica (Annandale) : This has so far been collected from the Yenna and
koyna, the tributaries of the Krishna river. In the Yenna, it occurs in pools, at Medha
about 2,200 feet, (670 m.), above sea level as also in pools at Kelghat at the head of the
deep valley. In the Koyna it is found in pools at Tambi, at Vela, at Bemnoti and at Paten,
FAUNA 663