Occurrence of intersex individuals in the sergestid shrimp, Acetes sibogae, in Darwin Harbour, Northern Territory, Australia

Occurrence of intersex individuals in the sergestid shrimp, Acetes sibogae, in Darwin Harbour,... NOTES AND NEWS OCCURRENCE OF INTERSEX INDIVIDUALS IN THE SERGESTID SHRIMP, ACETES SIBOGAE , IN DARWIN HARBOUR, NORTHERN TERRITORY, AUSTRALIA BY YUKIO HANAMURA 1,3 / and SUSUMU OHTSUKA 2,4 / 1 / National Research Institute of Fisheries and Environment of Inland Sea, Maruishi 2-17-5, Ohno-cho, Hiroshima Pref. 739-0452, Japan 2 / Takehara Marine Science Station, Setouchi Field Science Center, Graduate School of Biosphere Science, Hiroshima University, Minatomachi 5-8-1, Takehara, Hiroshima Pref. 725-0024, Japan INTRODUCTION Species of the planktonic shrimps of the genus Acetes (Decapoda, Sergestidae) grow to 10-40 mm in total length and often occur in abundance in the tropical and subtropical coastal waters of the world oceans (Omori, 1975). Although intersexuality is common in certain groups of the caridean shrimps as a result of protandrous sex reversal, the penaeoid and sergestoid shrimps ordinary do not undergo this kind of sex change (Brook et al., 1994, table 1; Fukuhara, 1999, table 1). Hermaphroditism, therefore, is a very unusual phenomenon in penaeoids and sergestoids (e.g., George, 1963; Suseelan, 1967; Pérez Farfante, 1978; Kikuchi & Nemoto, 1987). As far as we know, only two papers have reported the incidence of intersex specimens in Acetes (cf. Achuthankutty, 1973; Omori, 1975). Specimens http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Occurrence of intersex individuals in the sergestid shrimp, Acetes sibogae, in Darwin Harbour, Northern Territory, Australia

Crustaceana, Volume 76 (6): 749 – Jan 1, 2003

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Publisher
Brill
Copyright
© 2003 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216x
eISSN
1568-5403
D.O.I.
10.1163/156854003322381540
Publisher site
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Abstract

NOTES AND NEWS OCCURRENCE OF INTERSEX INDIVIDUALS IN THE SERGESTID SHRIMP, ACETES SIBOGAE , IN DARWIN HARBOUR, NORTHERN TERRITORY, AUSTRALIA BY YUKIO HANAMURA 1,3 / and SUSUMU OHTSUKA 2,4 / 1 / National Research Institute of Fisheries and Environment of Inland Sea, Maruishi 2-17-5, Ohno-cho, Hiroshima Pref. 739-0452, Japan 2 / Takehara Marine Science Station, Setouchi Field Science Center, Graduate School of Biosphere Science, Hiroshima University, Minatomachi 5-8-1, Takehara, Hiroshima Pref. 725-0024, Japan INTRODUCTION Species of the planktonic shrimps of the genus Acetes (Decapoda, Sergestidae) grow to 10-40 mm in total length and often occur in abundance in the tropical and subtropical coastal waters of the world oceans (Omori, 1975). Although intersexuality is common in certain groups of the caridean shrimps as a result of protandrous sex reversal, the penaeoid and sergestoid shrimps ordinary do not undergo this kind of sex change (Brook et al., 1994, table 1; Fukuhara, 1999, table 1). Hermaphroditism, therefore, is a very unusual phenomenon in penaeoids and sergestoids (e.g., George, 1963; Suseelan, 1967; Pérez Farfante, 1978; Kikuchi & Nemoto, 1987). As far as we know, only two papers have reported the incidence of intersex specimens in Acetes (cf. Achuthankutty, 1973; Omori, 1975). Specimens

Journal

CrustaceanaBrill

Published: Jan 1, 2003

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