Attributive use of the noun (e.g. "porcupinefish spines")
рыбы-ежаупотребляется как родительный падеж существительного для атрибутивного значения
Porcupinefish spines can pierce thick gloves.
Шипы рыбы-ежа могут проколоть толстые перчатки.
Definitions
porcupinefishnoun
Any of several tropical and subtropical marine fishes of the family Diodontidae, having a globular body armed with erectile spines that stand out when the fish inflates itself.
When threatened, a porcupinefish inflates its body and raises its spines to ward off predators.
porcupinefishadjective
Relating to or characteristic of a porcupinefish.
The diver studied the porcupinefish spines under a microscope.