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DESCRIPTION OF THE NAUPLIAR STAGES OF MEGABALANUS TINTINNABULUM (CIRRIPEDIA: BALANIDAE)

DESCRIPTION OF THE NAUPLIAR STAGES OF MEGABALANUS TINTINNABULUM (CIRRIPEDIA: BALANIDAE) and Megabalanus tintinnabulurn (L.) is a large acorn barnacle commonly encountered in the shallow waters of both east and west coasts of India. It has been reported as a major com- ponent of fouling communities from both coasts (Anil, 1986; Venugopalan et al., 1990; Rajagopal, 1991). Sasikumar (1991) reported various aspects of the biology of this barna- cle, especially those related to reproduction and settlement. However, studies on the lar- val stages of this important barnacle species are sparse. Daniel (1958) briefly described the larval development in this species. Never- theless, his report is incomplete with respect to detailed description of diagnostic features, such as carapace spine, labrum, abdominal process, and setation of appendages. In this paper, we give a detailed account of the lar- val development of M. tintinnabulum, em- phasizing the changes in larval size, shape, general morphology and setation of ap- pendages, along with data on duration of each stage. MATERIALS AND METHODS Larval Rearinl;.-Adult M. tintinnabulum were collected from the approach jetty piers of the Madras Atomic Power Station, Kalpakkam (12°23N, 80°11'E), east coast of In- dia. Release of the first (sometimes second) stage larvae from mature broods occurred after 24 h of aerial http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Crustacean Biology Brill

DESCRIPTION OF THE NAUPLIAR STAGES OF MEGABALANUS TINTINNABULUM (CIRRIPEDIA: BALANIDAE)

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References (16)

Publisher
Brill
Copyright
Copyright 1997 by Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0278-0372
eISSN
1937-240X
DOI
10.1163/193724097X00350
Publisher site
See Article on Publisher Site

Abstract

and Megabalanus tintinnabulurn (L.) is a large acorn barnacle commonly encountered in the shallow waters of both east and west coasts of India. It has been reported as a major com- ponent of fouling communities from both coasts (Anil, 1986; Venugopalan et al., 1990; Rajagopal, 1991). Sasikumar (1991) reported various aspects of the biology of this barna- cle, especially those related to reproduction and settlement. However, studies on the lar- val stages of this important barnacle species are sparse. Daniel (1958) briefly described the larval development in this species. Never- theless, his report is incomplete with respect to detailed description of diagnostic features, such as carapace spine, labrum, abdominal process, and setation of appendages. In this paper, we give a detailed account of the lar- val development of M. tintinnabulum, em- phasizing the changes in larval size, shape, general morphology and setation of ap- pendages, along with data on duration of each stage. MATERIALS AND METHODS Larval Rearinl;.-Adult M. tintinnabulum were collected from the approach jetty piers of the Madras Atomic Power Station, Kalpakkam (12°23N, 80°11'E), east coast of In- dia. Release of the first (sometimes second) stage larvae from mature broods occurred after 24 h of aerial

Journal

Journal of Crustacean BiologyBrill

Published: Jan 1, 1997

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