First records of egg masses of Nototodarus gouldi McCoy, 1888 (Mollusca: Cephalopoda: Ommastrephidae), with comments on egg-mass susceptibility to damage by fisheries trawl

Steve O'Shea; Kathrin S. Bolstad; Peter A. Ritchie

First records of egg masses of Nototodarus gouldi McCoy, 1888 (Mollusca: Cephalopoda: Ommastrephidae), with comments on egg-mass susceptibility to damage by fisheries trawl

Steve O'Shea^*, Kathrin S. Bolstad, Peter A. Ritchie

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

The egg mass and embryos of the ommastrephid squid Nototodarus gouldi McCoy, 1888 are reported for the first time, their identity confirmed by mitochondrial 16S rDNA sequence determination. The egg mass is a free-floating gelatinous sphere of at least 1.5 m diameter and contains an estimated several thousand randomly distributed eggs; similar egg masses recorded from north-eastern New Zealand waters of 1.0-2.0 m diameter are reported. Observed fluctuations in populations for this and other squid species may be a partial result of trawl damage to the egg masses.

Original language	English
Pages (from-to)	161-166
Number of pages	6
Journal	New Zealand Journal of Zoology
Volume	31
Issue number	2
Publication status	Published - Jun 2004
Externally published	Yes

Keywords

Cephalopoda
Egg mass
Nototodarus
Ommastrephidae
Trawling

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title = "First records of egg masses of Nototodarus gouldi McCoy, 1888 (Mollusca: Cephalopoda: Ommastrephidae), with comments on egg-mass susceptibility to damage by fisheries trawl",

abstract = "The egg mass and embryos of the ommastrephid squid Nototodarus gouldi McCoy, 1888 are reported for the first time, their identity confirmed by mitochondrial 16S rDNA sequence determination. The egg mass is a free-floating gelatinous sphere of at least 1.5 m diameter and contains an estimated several thousand randomly distributed eggs; similar egg masses recorded from north-eastern New Zealand waters of 1.0-2.0 m diameter are reported. Observed fluctuations in populations for this and other squid species may be a partial result of trawl damage to the egg masses.",

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First records of egg masses of Nototodarus gouldi McCoy, 1888 (Mollusca : Cephalopoda: Ommastrephidae), with comments on egg-mass susceptibility to damage by fisheries trawl. / O'Shea, Steve; Bolstad, Kathrin S.; Ritchie, Peter A.

In: New Zealand Journal of Zoology, Vol. 31, No. 2, 06.2004, p. 161-166.

Research output: Contribution to journal › Article › peer-review

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