Two-toned Pygmy Squid
Idiosepius pygmaeus
''Idiosepius pygmaeus'', also known as the Two-toned Pygmy Squid, is a species of bobtail squid native to the Indo-Pacific. It occurs in waters of the South China Sea, Japan, Philippines, Palau, Indonesia, Northern Mariana Islands, as well as northern and northeastern Australia. It inhabits shallow, inshore waters.
''I. pygmaeus'' weighs 0.00033 g upon hatching and increases in weight to 0.175 g as it reaches maturity in 50 days . It inhabits waters at a temperature of 25.2°C. Growth rate has been calculated as 12.55 and physiological growth rate as 0.498.
''I. pygmaeus'' grows to 20 mm in mantle length.
This species has been reared on a diet of glass shrimp in the laboratory.
The type specimen was collected in the South China Sea and is deposited at the Zoologisk Museum of Kobenhavns Universitet in Copenhagen.
''I. pygmaeus'' weighs 0.00033 g upon hatching and increases in weight to 0.175 g as it reaches maturity in 50 days . It inhabits waters at a temperature of 25.2°C. Growth rate has been calculated as 12.55 and physiological growth rate as 0.498.
''I. pygmaeus'' grows to 20 mm in mantle length.
This species has been reared on a diet of glass shrimp in the laboratory.
The type specimen was collected in the South China Sea and is deposited at the Zoologisk Museum of Kobenhavns Universitet in Copenhagen.
