Larval development to the first eighth zoeal stages in the deep-sea caridean shrimp Plesionika grandis Doflein, 1902 (Crustacea, Decapoda, Pandalidae)

The larvae of the deep-sea pandalid shrimp Doflein, 1902 were successfully reared in the laboratory for the first time. The larvae reached the eighth zoeal stage in 36 days, both of which are longest records for the genus. Early larval stages of bear the general characters of pandalid shrimps and di...

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Published inZooKeys Vol. 719; no. 719; pp. 23 - 44
Main Authors Jiang, Guo-Chen, Chan, Tin-Yam, Shih, Tung-Wei
Format Journal Article
LanguageEnglish
Published Bulgaria Pensoft Publishers 07.12.2017
Subjects
Decapoda
Herbivores
Larval development
Morphology
Physiological aspects
Plesionika
Segmentation
Shrimps (Animals)
Species
Spines
Zoological research
Zoology
shrimps
zoea
Deep-sea
larval development
Pandalidae
Plesionika
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Summary:The larvae of the deep-sea pandalid shrimp Doflein, 1902 were successfully reared in the laboratory for the first time. The larvae reached the eighth zoeal stage in 36 days, both of which are longest records for the genus. Early larval stages of bear the general characters of pandalid shrimps and differ from the other two species of with larval morphology known in the number of spines on the anteroventral margin of carapace, number of tubercles on antennule, endopod segmentation in antenna, and third maxilliped setation. Although members in are often separated into species groups, members of the same species group do not necessarily have similar early larval morphology. Since the zoea VIII of still lacks pleopods and fifth pereiopod, this shrimp likely has at least 12 zoeal stages and a larval development of 120 days.
Bibliography:ObjectType-Article-1
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ISSN:1313-2989
1313-2970
DOI:10.3897/zookeys.719.20916