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February 21, 2026New Zealand Journal of Zoology0 citationsOpen Access

Larval Development of the New Zealand Deep Water Scampi, Metanephrops challengeri (Balss, 1914) (Decapoda: Nephropidae)

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KHKevin HeasmanWWWallace R. WebberLTLouis A. Tremblay

Key Points

  • The aim is to describe the complete larval development stages of the New Zealand scampi, Metanephrops challengeri, including reproductive biology.
  • Rearing specimens from egg to juvenile in a laboratory setting.
  • Capturing and caring for ovigerous females.
  • Documenting egg hatching and larval rearing methods.
  • Larvae hatch as pre-zoea, progress through stage 1 and stage 2 zoea, metamorphose into post-larva, and finally moult into first juvenile lobster.
  • M. challengeri's development is documented in detail for the first time, contributing to knowledge of lobsters in the genus Metanephrops.

Abstract

The New Zealand scampi, Metanephrops challengeri , is a lobster species which has an extensive distribution on much of the continental shelf and slopes around the country in depths between 140 and 640 m. This species is important ecologically, and forms the basis of a valuable commercial fishery. Despite the significance of this species, there is limited information on its reproductive and larval biology. This article described the larval development of M. challengeri , from specimens reared in the laboratory from egg to juvenile for the first time, hatching as a pre‐zoea, moulting to a stage 1 zoea then to a stage 2 zoea, metamorphosing to a post‐larva, and then moulting to a first juvenile lobster. The methods and equipment of capture and care of ovigerous females, egg hatching, and larval rearing are described. M. challengeri is the fourth of 18 known lobster species of the worldwide clawed lobster genus Metanephrops to have its full larval development described from reared developmental stages.

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Cite This Study

Heasman et al. (2026) studied this question.

synapsesocial.com/papers/69994cd2873532290d021a9chttps://doi.org/10.1002/njz2.70017
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