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The white abalone, scientific name Haliotis sorenseni, is a species of large sea snail, a marine gastropod mollusk in the family Haliotidae, the abalone. [3]The white abalone is an endangered species in the United States; it may now have the smallest population of all eight of the abalone species on the west coast of North America.
The iridescent nacre that lines the inside of the shell varies in color from silvery white, to pink, red and green-red, to deep blue, green to purple. The animal shows fimbriated head-lobes. The side-lobes are also fimbriated and cirrated. The rounded foot is very large. The radula has small median teeth, and the lateral teeth are single and ...
Shell ovoid, length up to 37.7 mm (31.3–37.7 mm), length/width ratio 1.49–1.56, with 5–7 open tremata. First half teleoconch whorl opaque white, second half whorl translucent, pale, with faint, similar, commarginal axial lamellae, their spacing increasing slightly with size; fine spiral riblets finer or absent nearer suture.
Haliotis iris (or blackfoot pāua) is the ubiquitous New Zealand pāua, the highly polished nacre of which is extremely popular as souvenirs with its striking blue, green, and purple iridescence. Haliotis australis and Haliotis virginea are also found in New Zealand waters, but are less popular than H. iris.
Pāua are gathered recreationally and commercially, with strict catch limits are set for both. For recreational fishermen this is five pāua per person per day. The minimum legal size for caught pāua is 125 mm (5") for Haliotis iris and 80 mm (3 + 1 ⁄ 4") for Haliotis australis, measured in a straight line at the greatest length of the shell ...
Haliotis strigata Weinkauff, 1883 Haliotis virginea Reeve , 1846 ((invalid: junior homonym of Haliotis virginea Gmelin, 1791 )) Haliotis marmorata is a species of sea snail , a marine gastropod mollusk in the family Haliotidae , the abalones .
The exterior of the shell of this species is reddish-purple in color, often with some white blotches. The shell has between 5 and 8 open respiratory pores along the margin. These holes collectively make up what is known as the selenizone which form as the shell grows. The snail shell grows to approximately 70 millimetres (2.8 in) in length.
Haliotis diversicolor squamata. The size of the shell varies between 25 mm and 85 mm. The shell is long and oval. The spire is very near the margin. The surface of the shell is spirally lirate; the lines are unequal, rounded and crossed by low folds indicating former positions of the peristome.