Paracanthostracion lindsayi

Lore & Background

Paracanthostracion was first proposed as a genus in 1933 by the British-born Australian ichthyologist Gilbert Percy Whitley, with Ostracion lindsayi designated as its type species and only species. The species O. lindsayi was first formally described in 1932 by the New Zealand ichthyologist William J. Phillipps, with its type locality given as Otago, New Zealand. The specific name honours Phillipps's colleague at the Dominion Museum in Wellington, the curator of technology and taxidermist Charles John Lindsay.

The genus name Paracanthostracion prefixes para-, meaning 'close to', to the genus name Acanthostracion, from which it differs in the shape of its carapace and the distribution of its spines. The fish is characterized by an oblique anterior head profile, with the eye diameter only slightly less than the snout length. The space between the eyes is clearly concave, and the carapace is quadrangular with a poorly developed ridge along the middle of the back. It has a forward-pointing spine before each eye, a large spine in the middle of the back, and another large spine directed rearwards along the edge of the carapace near the anal fin. The hexagonal plate-like scales are very rough towards the rear and on the head. The body is irregularly streaked and spotted with grey, and there are spots on the cheeks that tend to merge into short streaks.

Reader's Guide

Paracanthostracion lindsayi is significant as the sole representative of its genus, Paracanthostracion, which was established in 1933 by Gilbert Percy Whitley. Its taxonomic placement within the family Ostraciidae, suborder Ostracioidea, and order Tetraodontiformes is based on the 5th edition of Fishes of the World. The species was first described in 1932 by William J. Phillipps from a specimen collected at Otago, New Zealand, and named after Charles John Lindsay, a colleague at the Dominion Museum. The genus name reflects its close relationship to Acanthostracion, distinguished by carapace shape and spine distribution. The fish's distribution is restricted to the Southwestern Pacific Ocean, known only from New Zealand waters. Its physical description includes a quadrangular carapace with specific spine arrangements and rough hexagonal scales, as well as a grey streaked and spotted body pattern. These features contribute to its identity within the boxfish family, though no further ecological or behavioral details are provided in the source.

Did You Know?

• Paracanthostracion lindsayi is the only species in the genus Paracanthostracion.
• The species was first described in 1932 by New Zealand ichthyologist William J. Phillipps.
• Its type locality is Otago, New Zealand.
• The specific name honors Charles John Lindsay, a curator and taxidermist at the Dominion Museum in Wellington.