We've found 71 resources matching your search.
The Department of Primary Industries and Regional Development (DPIRD) has the largest collection of fish ages in Australia. Our fisheries scientists have processed and aged 381,000 fish (December 2022), ranging from small estuarine to large marine species. This information is held in a database at the Western Australian Fisheries and Marine Research Laboratories, which dates back to 1990 (and even earlier for some species!).
Resource type: Fact SheetLast updated: 07.12.2022
Adaptations are specific characteristics of a living thing that increases the likelihood of its species survival in its habitat. Each species has their own suite of adaptations that can be broadly grouped into three categories: structural, functional, and behavioural. Many adaptations can be more than one type. For example, viviparous reproduction involves giving birth to live young. This involves the structural adaptation of a womb and may involve the behavioural adaptation of maternal care of young.
Resource type: Fact SheetLast updated: 03.08.2022
In southern Australia, the western blue groper is actually the largest carnivorous bony fish species found living on reefs, reaching a length of up to 1.7m and a weight of up to 40kg. Learn more about the biology of this fish in this fact sheet.
Resource type: Fact SheetLast updated: 22.06.2022
Thought to be the green mud crab for many years; it wasn't until 1998, that the brown mud crab was recognised as a distinct species.
Resource type: Fact SheetLast updated: 09.06.2022
The unusual-looking sawfish family are a type of ray and are therefore related to sharks . Found in both marine and freshwater, these predatory fish derive their name from their long snouts lines with sharp points. An identification and general information guide on Sawfish.
Resource type: Fact SheetLast updated: 09.06.2022
Mud crabs are prized by recreational fishers for their impressive size and delicious taste.
Resource type: Fact SheetLast updated: 09.06.2022
Cobbler or catfish as they are known outside Western Australia, are 'endemic' to Australia, meaning they're only found here. They live in the southern half of the country, in coastal and estuarine waters up to about 30 metres deep.
Resource type: Fact SheetLast updated: 09.06.2022
Black bream is one of the most important recreational and commercial fish species in the estuaries of south-Western Australia. A 'true' estuarine species, black bream complete their whole lifecycle within an estuary and are reliant on healthy rivers and estuaries for their survival.
To find out more, download this fact sheet.
Resource type: Fact SheetLast updated: 09.06.2022
The captivating potato cod is truly a giant of the fish kingdom. Its massive size and homebody nature draws divers who are looking for a story to tell about their underwater adventure.
Resource type: Fact SheetLast updated: 09.06.2022
Despite their huge size, whale sharks are docile, filter feeders that cruise the world's oceans looking for plankton.
Resource type: Fact SheetLast updated: 09.06.2022
In 2014 the Australian humpback dolphin was recognised as a separate species to the Indo-Pacific humpback.
Resource type: Fact SheetLast updated: 09.06.2022
The humphead Maori wrasse is easily recognisable, being over 2 metres long with a large hump on its head and big fleshy lips.
Resource type: Fact SheetLast updated: 09.06.2022
Hawksbill turtles are known to nest and feed at the Rowley Shoals which provides an oceanic refuge for these world travelers.
Resource type: Fact SheetLast updated: 09.06.2022
Australian herring are a popular species with a lifecycle dependent on prevailing currents.
Resource type: Fact SheetLast updated: 09.06.2022
Dangerous migrants - marine species that are introduced into environments in which they do not occur naturally can become deadly pests and represent one of the greatest threats to the world's oceans and biodiversity.
This fact sheet identifies some of the species introduced into Western Australia, how they get here and their impact on our native marine environment.
Resource type: Fact SheetLast updated: 09.06.2022
Freshwater crayfish are an important part of ecosystems in south-west rivers and dams and are also one of Western Australia's great delicacies.
Resource type: Fact SheetLast updated: 09.06.2022
Marron are the largest freshwater crayfish in Western Australia and the third largest freshwater crayfish on Earth. Find out more about the biology of these freshwater species in this fact sheet.
Resource type: Fact SheetLast updated: 09.06.2022
Strong name, strong fish. Named after the biblical figure of Samson who was granted superhuman strength from God, Samson fish are a powerful and large predatory fish of the open water.
Resource type: Fact SheetLast updated: 09.06.2022
Tailor are one of the most popular recreational fishing species along the west coast of Western Australia. Learn more about what fisheries' scientists know of tailor from more than 15 years worth of data collection on this species.
Resource type: Fact SheetLast updated: 09.06.2022
With their goggling, oddly placed eyes and their whisker-like pectoral filaments, threadfins are one of the weirder looking Western Australian fish species. Find out more about the biology of these weird looking fish and the commercial fishery in this fact sheet.
Resource type: Fact SheetLast updated: 09.06.2022
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