Larval development of Lepidophthalmus siriboia Felder Rodrigues, 1993 (Decapoda: Thalassinidea) from the Amazon region, reared in the laboratory O desenvolvimento larval de Lepidophthalmus siriboia Felder Rodrigues, 1993 (Decapoda: Thalassinidea) da região amazônica, cultivado em laboratório

The complete larval development of the ghost shrimp Lepidophthalmus siriboia Felder & Rodrigues, 1993 was described and illustrated in detail from specimens reared in the laboratory. Ovigerous females were collected at Canela Island in the northeastern region of the State of Pará. The larvae hat...

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Bibliographic Details
Published in:Acta amazonica 2005-01, Vol.35 (1), p.77-84
Main Authors: Fernando A. Abrunhosa, Marcus Alexandre B. Pires, Jô de Faria Lima, Petrônio Alves Coelho-Filho
Format: Article
Language:English
Subjects:
Callianassidae
Desenvolvimento larval
Larval development
Lepidophthalmus siriboia
Thalassinidea
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Summary:The complete larval development of the ghost shrimp Lepidophthalmus siriboia Felder & Rodrigues, 1993 was described and illustrated in detail from specimens reared in the laboratory. Ovigerous females were collected at Canela Island in the northeastern region of the State of Pará. The larvae hatch as a prezoea, in which they persist for less than 3 hours. The larval development consists of three zoeal stages and a megalopa. The zoeal development averaged from 69 to 111 hours. The period in the megalopa stage was about 185 hours (about 8 days). The percentage of individuals succeeding in molt into juvenile stage was 91,8%. The first juvenile stage was reached 254 hours (about 10 days) after hatching. Morphological comparisons and their relationship with larvae of congeneric species are briefly discussed.O desenvolvimento completo de Lepidophthalmus siriboia Felder & Rodrigues, 1993 foi descrito e ilustrado em detalhes a partir de espécimens cultivados em laboratório. Fêmeas ovígeras foram coletadas na ilha de Canela nordeste do Estado do Pará. As larvas eclodem como prezoea e o desenvolvimento larval consiste de 3 estágios de zoea e 1 de megalopa. O desenvolvimento dos 3 estágios de zoea durou em média de 69 a 111 horas. A duração de megalopa foi cerca de 185 horas (cerca de 8 dias). O primeiro juvenil foi alcançado em 254 horas (cerca de 10 dias) após a eclosão. Comparações morfológicas com espécies do mesmo gênero são discutidas.
ISSN:0044-5967
DOI:10.1590/S0044-59672005000100012