Table 5 Values of Chesson’s index (αi).

From: Critically endangered Rice’s whales (Balaenoptera ricei) selectively feed on high-quality prey in the Gulf of Mexico

Family

Species

α

Selection

Cephalopods

 Loliginidae

Doryteuthis pealeii

0.039

Positive

Teleosts

 Ariommatidae

Ariomma bondi

0.766

Positive

 Myctophidae

Diaphus dumerilii

0.194

Positive

 Sternoptychidae

Maurolicus weitzmani

0.001

Negative