Costs of extended brood protection in the Antarctic sea star, Neosmilaster georgianus (Echinodermata: Asteroidea)

1999 ◽  
Vol 134 (3) ◽  
pp. 449-459 ◽  
Author(s):  
I. Bosch ◽  
M. Slattery
Keyword(s):  
Sea Star ◽  
The Antarctic

Surface sequestration of chemical feeding deterrents in the Antarctic sponge Latrunculia apicalis as an optimal defense against sea star spongivory

2003 ◽  
Vol 143 (3) ◽  
pp. 443-449 ◽  
Author(s):  
F. Bruce Furrow ◽  
Charles D. Amsler ◽  
James B. McClintock ◽  
Bill J. Baker
Keyword(s):  
Feeding Deterrents ◽  
Sea Star ◽  
Optimal Defense ◽  
The Antarctic

scholarly journals Intraspecific agonistic arm-fencing behavior in the Antarctic keystone sea star Odontaster validus influences prey acquisition

2008 ◽  
Vol 371 ◽  
pp. 297-300 ◽  
Author(s):  
JB McClintock ◽  
RA Angus ◽  
CP Ho ◽  
CD Amsler ◽  
BJ Baker
Keyword(s):  
Sea Star ◽  
Odontaster Validus ◽  
The Antarctic

scholarly journals The Antarctic Circumpolar Current isolates and connects: Structured circumpolarity in the sea star Glabraster antarctica

2018 ◽  
Vol 8 (21) ◽  
pp. 10621-10633 ◽  
Author(s):  
Jenna M. Moore ◽  
Jose I. Carvajal ◽  
Greg W. Rouse ◽  
Nerida G. Wilson
Keyword(s):  
Antarctic Circumpolar Current ◽  
Sea Star ◽  
Circumpolar Current ◽  
The Antarctic

scholarly journals The effects of temperature on the behaviour of the Antarctic sea star Odontaster validus

2010 ◽  
Vol 31 (3) ◽  
pp. 273-284 ◽  
Author(s):  
Anna Kidawa ◽  
Marta Potocka ◽  
Tomasz Janecki
Keyword(s):  
Motor Coordination ◽  
Keystone Species ◽  
Effect Of Temperature ◽  
Locomotory Activity ◽  
Measured Temperature ◽  
Sea Star ◽  
Sea Stars ◽  
Odontaster Validus ◽  
Effects Of Temperature ◽  
The Antarctic

The effects of temperature on the behaviour of the Antarctic sea starOdontaster validusMany Antarctic marine benthic invertebrates are adapted to specific environmental conditions (e.g.low stable temperatures, high salinity and oxygen content). Changes caused by global climatic shifts can be expected to have significant impact on their physiology and distribution.Odontaster validus, an ubiquitous, omnivorous sea star is one of the "keystone species" in the Antarctic benthic communities. Laboratory experiments were carried out to study the effect of temperature rise (from 0 to 5°C) on some vital biological functions that sea stars must perform in order to survive in their environment. Parameters such as behavioural reaction of sea stars to food and food odour, locomotory performance and ability to right were measured. Temperature increase significantly impaired the ability ofO. validusto perform these functions (e.g.lowering the number of sea stars able to right, increasing time-to-right, reducing locomotory activity, weakening chemosensory reaction to food and food odour). At temperatures of 4 and 5°C a loss of motor coordination was observed, although at all tested temperatures up to 5°C there were single individuals performing successfully.

Short Note: Life history of the Antarctic sea star Labidiaster annulatus (Asteroidea: Labidiasteridae) revealed by DNA barcoding

2008 ◽  
Vol 20 (6) ◽  
pp. 563-564 ◽  
Author(s):  
Alexis M. Janosik ◽  
Andrew R. Mahon ◽  
Rudolf S. Scheltema ◽  
Kenneth M. Halanych
Keyword(s):  
Life History ◽  
Water Column ◽  
Dna Barcoding ◽  
Short Note ◽  
Small Fish ◽  
Sea Star ◽  
Opportunistic Predator ◽  
History Of ◽  
South Sandwich Islands ◽  
The Antarctic

Labidiaster annulatus, Sladen (1889) is a multi-rayed (9–50) voracious Antarctic sea star with numerous large, conspicuous crossed pedicellariae. An active and opportunistic predator, it commonly preys upon euphausiids, amphipods, and small fish in the water column (Dearborn et al. 1991). Labidiaster annulatus is distributed around the Antarctic, Kerguelen, South Orkney, South Sandwich Islands, South Georgia, and Shag Rocks, at recorded depths of 30–440 m (Fisher 1940, unpublished data).

A laboratory study of behavioral interactions of the Antarctic keystone sea star Odontaster validus with three sympatric predatory sea stars

2008 ◽  
Vol 154 (6) ◽  
pp. 1077-1084 ◽  
Author(s):  
James B. McClintock ◽  
Robert A. Angus ◽  
Christina Ho ◽  
Charles D. Amsler ◽  
Bill J. Baker
Keyword(s):  
Laboratory Study ◽  
Sea Star ◽  
Sea Stars ◽  
Behavioral Interactions ◽  
Odontaster Validus ◽  
The Antarctic
Sign in / Sign up

Export Citation Format

Share Document