Egg development of Trematomus eulepidotus Regan, 1914 (Nototheniidae, Pisces) from the Weddell Sea, Antarctica ...

• Main Author: Ekau, Wemer
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Cybium 1989
• Subjects: Embryonic development, Larvae, Notothenuiidae, PSW, Trematomus eulepidotus, Weddell Sea; Antarc*; Antarctica; Weddell Sea
• Online Access: https://dx.doi.org/10.26028/cybium/1989-133-002; https://sfi-cybium.fr/fr/egg-development-trematomus-eulepidotus-regan-1914-nototheniidae-pisces-weddell-sea-antarctica

During the third cruise of the German RV Polarstern to the Weddell Sea in Jan./Feb. 1985, a sample of approximatively 2,000 fertilized eggs of Trematomus eulepidotus was collected with a bottom trawl. About half of these eggs were transferred to an aquarium and incubated over a period of 5 months. The development of the egg took 131 to 159 days from stage I (gastrulation stage) to hatching at a mean temperature of about 0°C. Larval length at hatching was 18.6 mm standard length. ...