... enhancing their ability to colonize a wider range of habitats. * Author for correspondence ( smpeyer@wisc.edu ) 15 3 2011 © 2011. 2011 biological invasions bivalve functional morphology Great Lakes kinetic energy locomotion mollusc moment of inertia sediment Zebra...

... by fracturing sediment suggests that this mechanism may be widespread among burrowers. We tested this hypothesis with the glycerid polychaete Hemipodus simplex , which has an eversible proboscis that is much longer and everts more rapidly than the pharynx of N. virens . When the proboscis is fully everted...

...Jane W. Behrens; Henrik J. Stahl; John F. Steffensen; Ronnie N. Glud SUMMARY The oxygen environment around buried sandeels ( Ammodytes tobianus )was monitored by planar optodes. The oxygen penetration depth at the sediment interface was only a few mm. Thus fish, typically buried at 1–4 cm depth...