Assertion: marlin's fin | /r/HasProperty | rigid
Facets:
Source sentences:
text: Its pectoral fins are rigid and do not fold into its body.
text: Black marlin may be distinguished from all other marlin species by their rigid pectoral fins, which, especially from a weight of around 150 lb (75 kg) or so, are unable to be pressed flat against their sides.
text: In contrast, the pectoral fins of its near relative, Makaira indica (black marlin), are rigid and cannot be folded back against its body.
text: It differs from other Marlins and the Sailfish because the pectoral fins are rigid enough to resist collapsing against the body.
text: Black marlin may be distinguished from all other marlin species by their rigid pectoral fins, which, especially from a weight of around 150 lb (75 kg) or so, are unable to be pressed flat against their sides.