Fisheries & Water

RESEARCH into macroalgae on WA reefs has revealed relationships between carbon isotope ratios and factors like temperature that may assist in the long-term monitoring of marine food webs.

WOBBEGONG (Orectolobus maculatus) and angel sharks (Squatina australis) have evolved unique electrosensory pores that aid attacks on unsuspecting prey from beneath, according to a recent study.

A WORLD-first expedition backed by Google billionaire Eric Schmidt is bidding to unlock the secrets of the Perth Canyon, the vast undersea gorge carved by the prehistoric Swan River.

Hidden physics make fish glitter

Wednesday, 25 February 2015

A THEORY borrowed from physics to understand how electrons move in semiconductors may explain the silvery mirror-like appearance of many fish, recent research suggests.

A RECENTLY created octopus ageing method has provided insights into the lives of the molluscs on WA's coastline, enabling the exploration of sustainable harvest strategies for the rapidly expanding octopus fishery.

A THREE-year study conducted in the Walpole and Nornalup Inlets Marine Park has provided comprehensive insights into large bivalves (molluscs).

SEA turtles fitted with video cameras have revealed a decline in seagrass health in Shark Bay following a catastrophic marine heat wave in 2011.

RESEARCHERS have found regional differences in the reproductive strategies of one of Australia's most abundant stingray species, the sparsely-spotted stingaree (Urolophus paucimaculatus), leading them to question whether they might in fact be separate species.

USING baited longlines in conjunction with baited remote underwater video systems (BRUVs) has improved the way in which deep water fish stocks are monitored for conservation purposes.

Kalbarri abalone gets helping hand

Friday, 23 January 2015

DEPARTMENT of Fisheries staff and Kalbarri fishermen have released 24,000 Roe's abalone (Haliotis roei) onto reef platforms along the cliffs north of Kalbarri, to restock a population decimated by the marine heat wave of 2010-11.

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