![]() ![]() They form large schools that can number up to tens of thousands of individuals that include Jack Mackerels, Trachurus symmetricus and Pacific Sardines, Sardinops sagax. The Spotted Chub Mackerel is a pelagic found in both coastal and oceanic waters. Their lateral line runs the entire length of the body. Their anal fin has 12 rays, and is found behind the origin of the second dorsal fin, and is followed by 5 finlets their caudal fin is deeply forked with 2 small keels at the slender tail base their first dorsal fin has 10 to 13 spines their second dorsal fin has 12 rays followed by 5 finlets and is found in front of the second dorsal fin and, their pectoral fins are found high on the body and are short. Their head has a pointed snout and large black eyes that are covered with adipose eyelids at the front and rear. Ventrally they are pearly white with thin undulating wavy broken lines. They are blue-gray dorsally with numerous zigzag lines along the back and upper caudal base. The Spotted Chub Mackerel has an elongated, rounded, fusiform, and tuna-like body that is designed aerodynamically for speed. Globally, there are four species in the genus Scomber, of which three are found in Mexican waters, one in the Atlantic and two in the Pacific Ocean. The Spotted Chub Mackerel, Scomber australasicus, is one of the most common members of the Mackerel or Scombridae Family, that is also known as the Blue Mackerel and in Mexico as macarela pintoja. Catch, photograph, and identification courtesy of Kenneth Tse, Toronto, Canada. Fish caught from coastal waters off Wollongong, NSW, Australia, January 2020. Spotted Chub Mackerel, Scomber australasicus. Catch, photograph and identification courtesy of Eli (). Fish caught from coastal waters off Sydney, Australia, September 2016. Spotted Chub Mackerel, Scomber australasicus ![]() Gastropod Shells – by Genus and Species.Bivalves or Pelecypod Shells – by Family. ![]() Bivalves or Pelecypod Shells – by Genus and Species.Bivalve or Pelcypod Shells – by Common Name.Fish Weight From Length Conversion Tables.Birds – Family Photos – Tanagers to Wrens.Birds – Family Photos – Mockingbirds to Swallows.Birds – Family Photos – Falcons to Kinglet.Birds – Family Photos – Anhinga to Ducks. ![]()
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