Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Scombridae
(Mackerels, tunas, bonitos) > Scombrinae
Etymology: Grammatorcynus: Greek, gramma = signal, mark + Greek, rhyngchos = snout.
Environment / Climate / Range
Marine; reef-associated; oceanodromous (Ref. 51243); depth range 15 - ? m. Subtropical; 12°S - 37°S, 110°E - 157°E (Ref. 168)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 112 cm FL male/unsexed; (Ref. 40637); max. published weight: 13.5 kg (Ref. 168)
(total): 11 - 13;
soft rays: 11 - 13;
Vertebrae: 31. Mouth relatively small, upper jaw reaching about to middle of eye. Pectoral fins stout. Interpelvic process short and single. No prominent anterior corselet present. Swim bladder present. Vertebrae 14 precaudal plus 17 caudal, total 31 as in the mackerels (Scomber and Rastrelliger).
Western Pacific: known only from the northern coasts of Australia, south to Shark Bay in western Australia, along the east coast of Queensland south to northern New South Wales. Recently reported from the Gulf of Papua (Ref. 9684) and Ouvéa Atoll, Loyalty Islands (Ref. 13236).
Form schools near individual bays and reefs in Barrier Reef waters. With the rising tide, they move into shallow water over the reef flats, feeding on schools of clupeoid fishes that concentrate there. Utilized as a food fish.
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.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: commercial; gamefish: yes
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 4.5 ±0.80 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (54 of 100) .