They are diurnal.
The whale shark has been observed with both diurnal and nocturnal feeding habits. This change in behavior can be linked to times when the plankton they feed on blooms.
neither
Diurnal
Jaguarudi's are both nocturnal and diurnal.
The term opposite of nocturnal is "diurnal." (active mostly during the day).The opposite of nocturnal is diurnal.
The West Indian Manatee is diurnal it is not nocturnal.
Dingos can be both nocturnal and diurnal. Whether they are nocturnal or diurnal, usually depends on the climate where the dingo lives.
I am pretty sure Mackerel are diurnal, but that is just a guess.
diurnal.
Diurnal diurnal
diurnal
diurnal