Australian Museum Journal Complemental males in the barnacle Bathylasma alearum (Cirripedia: Pachylasmidae)
- Shortform:
- Foster, 1984, Aust. Mus. Mem. 18(12): 133–139
- Author(s):
- Foster, Brian A.
- Year published:
- 1984
- Title:
- Complemental males in the barnacle Bathylasma alearum (Cirripedia: Pachylasmidae)
- Serial title:
- Australian Museum Memoir
- Volume:
- 18
- Issue:
- 12
- Start page:
- 133
- End page:
- 139
- DOI:
- 10.3853/j.0067-1967.18.1984.379
- Language:
- English
- Date published:
- 31 March 1984
- Cover date:
- 31 December 1983
- ISSN:
- 0067-1967
- CODEN:
- AUNMA5
- Publisher:
- The Australian Museum
- Place published:
- Sydney, Australia
- Subjects:
- CRUSTACEA: CIRRIPEDIA
- Digitized:
- 09 September 2009
- Reference number:
- 379
- EndNote package:
- EndNote file
- Title page:
- Title page (119kb PDF)
- Complete work:
- Complete work (1070kb PDF)
Abstract
Complemental males are described for the first time in this deepwater family of balanomorph barnacles. The males are usually lodged externally on the tergum, in the angle formed between the articular margin and the articular ridge. Sometimes they occur in the apex angle of the carina. Compared with similar-sized individuals attached to the outside of the parietal shell plates, the body of the male is dominated by testes and seminal vesicles, the latter packed with sperm, and the penis is 4 to 5 times longer. The sexual condition is compared with that in other barnacles, and the mode of sex determination is discussed.