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Epibiotic community on the acorn barnacle ( Balanus amphitrite ) from a monsoon‐influenced tropical estuary
Author(s) -
Sahoo Gobardhan,
Khandeparker Lidita
Publication year - 2016
Publication title -
marine ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.668
H-Index - 58
eISSN - 1439-0485
pISSN - 0173-9565
DOI - 10.1111/maec.12330
Subject(s) - balanus , barnacle , acorn , biology , diatom , ecology , trophic level , estuary , thoracica , abundance (ecology) , invertebrate , abalone , oceanography , fishery , crustacean , geology
The epibiotic communities (diatoms and metazoans) on the outer surfaces of the shell of the barnacle Balanus amphitrite ( BS h) and its opercular valves (the scutum and tergum; BST ) were investigated on a monthly basis for 1 year in a tropical monsoon‐influenced estuary and compared with that of the surrounding rock biofilm. BS h and BST were rich in the diatoms Achnanthes longipes and Melosira nummuloides and amongst the invertebrates, nematodes and tardigrades were abundant. To the best of our knowledge, this is the first report of epibiosis on the acorn barnacle. Diatom abundance was at its maximum during the monsoon season on all the inter‐tidal substrata i.e . BS h, BST and rock. A significant correlation was found between the density of diatoms and invertebrates associated with the BS h and BST , possibly because of the trophic relationship between them or the suitability of the physical environment. The possible role of these epibionts on the settlement of this barnacle species is currently unknown and needs further investigation.