Australia country information

Common names: Blotched mackerel, Doggie, Doggie mackerel
Occurrence: native
Salinity: brackish
Abundance: common (usually seen) | Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Importance: commercial | Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Aquaculture: never/rarely | Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Regulations: restricted | Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Uses: gamefish: yes;
Comments: Museum: CSIRO CA2196, from North West Cape to Darwin (Ref. 5978). Present from Shark Bay to Sydney (Ref. 6390). Stock structure: School mackerel appear to comprise several stocks in Queensland from studies of temporal and spatial movement patterns of recaptured tagged fish, biological parameters, otolith microchemistry, and genetic studies (Ref. 30572). Commercial fishery: In Western Australia, school mackerel are fished north of 24°S. The commercial fishery for school mackerel in Queensland is almost exclusively in Hervey Bay and Moreton Bay (Ref. 30572). About 75% of commercial catch is taken by gillnetting (Ref. 30572). Mackerel fishing is a major fishery on the North West Shelf. The fishery peaks in July and August, and weather conditions restrict fishing operations during the wet monsoon period (December-February) (Ref. 30203, 27266). Taiwanese fleets fished for Scomberomorus species off northern Australia from 1974 to mid-1986 (Ref. 26279) and in the Gulf of Carpentaria until the fleet’s exclusion in 1978. The Taiwanese used drifting gillnets ranging in length from 8 km to more than 20 km (Ref. 26279). Australian Government regulations in 1986 limited the gillnet lengths to 2.5 km or less, effectively making the Taiwanese gillnet fishery uneconomic in Australian waters. The Queensland fishery for mackerel is the State’s major offshore finfish fishery (Ref. 30220) and has been operating for at least 60 years (Ref. 30219). In 1989-90, its value was estimated at A$3.4 million, of which more than 66% was Spanish mackerel. The Queensland fishery extends from the southern Gulf of Carpentaria, through Torres Strait and along the east coast, although most fishing takes place from north of Cooktown to Mackay. Mackerel fishers operate mostly from the ports of Cairns, Townsville, Yeppoon, Mackay and Bundaberg. Mackerel are fished to approximately 30°S (Coffs Harbour) in New South Wales. The east coast fishery targets mackerel during the spring spawning season and the northward migration (Ref. 30194) and later in summer-early autumn in southern Queensland. Catch rates vary depending on the time of day (early morning and evenings are preferred), moon phase, tides, water temperature, depth (Ref. 30221), sea floor temperatures (Ref. 30205), trolling speed and the fishers’ experience (Ref. 30221). The size of the fishing operation varies, from a mothership up to 16 m long operating several dories through smaller vessels without dories, to dinghies operating from island locations. All Scomberomorus are susceptible to drifting gillnets. There are localised gillnet fisheries for small mackerel through almost their entire distribution in Australia, from approximately Shark Bay to northern New South Wales. Sharks form an important part of the catch in these fishing operations (Ref. 30205), and fishers target either shark or mackerel depending on availability and market demand. A small amount of mackerel is taken with offshore drifting gillnets by domestic fishers in north-eastern Queensland, where reasonable quantities of juvenile mackerel are also caught inshore. Demersal otter trawlers targeting prawns in northern Australia may catch substantial quantities of mackerel either as bycatch or by line fishing. Some boats engaged primarily in other fisheries in northern waters switch to trolling mackerel when the fish are biting. Wahoo (Acanthocybium solandri) (in north-eastern Australia) and shark mackerel (Grammatorcynus species) (in north-western Australia) are important bycatches of the mackerel troll fishery. Mackerel are marketed frozen, fresh or chilled as gilled-and-gutted whole fish or trunks, and are retailed as fillets or cutlets. In Western Australia, the mackerel are gutted or put in chilled brine for gutting later the same day (Ref. 27266). In Queensland, some fish are filleted on the boats and stored on ice or frozen. Small local operations prepare smoked mackerel. Much of the Northern Territory product is trucked interstate, whereas Western Australian and Queensland product is sold both locally and interstate. Mackerel is in high market demand in Australia. It is a staple of the ‘fish-and-chips’ trade in Queensland. Recreational fishery: In Queensland, line gear is used by recreational fishers. Resource status: As of 1993, no studies on the resource status of mackerel have been conducted. Ciguatera poisoning is associated with mackerel. A lipid-soluble toxin, similar to ciguatoxin, has been found in individual mackerel caught between 24°S and 26°S off Queensland (Ref. 168) and also in mackerel from the Gove Peninsula area, Northern Territory. Also Ref. 2334, 9684, 12964, 33255.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
National Database:

Common names from other countries

Thazard du Queensland, Carite de Queensland, Blotched mackerel, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Scombriformes (Mackerels) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Scomberomorus: Latin, scomber = mackerel + Greek, moros = silly, stupid (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; brackish; pelagic-neritic; oceanodromous (Ref. 51243); depth range 1 - 100 m (Ref. 6390), usually ? - 30 m (Ref. 6390). Tropical; 7°S - 35°S, 110°E - 157°E (Ref. 168)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: largely confined to inshore coastal waters of southern Papua New Guinea and northern and eastern Australia, from Shark Bay and Onslow, Western Australia to Sydney, New South Wales. This species was confused with Scomberomorus guttatus.

Length at first maturity / Size / Weight / Age

Maturity: L_m ?, range 48 - ? cm
Max length : 100.0 cm FL male/unsexed; (Ref. 168); common length : 80.0 cm FL male/unsexed; (Ref. 168); max. published weight: 12.2 kg (Ref. 3132)

Short description Morphology | Morphometrics

Dorsal spines (total): 16 - 18; Dorsal soft rays (total): 17-19; Anal spines: 0; Anal soft rays: 16 - 20; Vertebrae: 48 - 49. Interpelvic process small and bifid. Lateral line gradually curving down toward caudal peduncle. Intestine with 2 folds and 3 limbs. Swim bladder absent. Body covered with small scales. Membrane of first dorsal fin jet black with large contrasting areas of intense white between the 6th and the last spine. Sides of adults marked with about three indefinite rows of indistinct bronze-gray blotches (absent in 9.5 cm juveniles).

Schooling species which moves into inshore waters, bays and estuaries of Queensland during the southern midwinter and early spring. Often inhabit very turbid coastal waters shallower than 30 m (Ref. 6390). Common length 50 to 80 cm FL (Ref. 12241). Seasonally migratory in the Gulf of Carpentaria and form mixed schools with S. commerson over shallow reefs offshore of Queensland. Trolling lines with lures such as metal spoons and cut bait are used by recreational and commercial fishermen. Mostly marketed fresh (Ref. 9987).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Collette, Bruce B. | Collaborators

Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 08 September 2022

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Reports of ciguatera poisoning (Ref. 6390)

Human uses

Fisheries: commercial; gamefish: yes

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 24.5 - 28.6, mean 27.4 (based on 302 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00832 (0.00383 - 0.01808), b=3.03 (2.86 - 3.20), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.5 ±0.8 se; based on diet studies.

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (tm=1-2).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (33 of 100).

Price category (Ref. 80766): Very high.

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