• Photo by Rantje Allen

  • Photo by William Tan

  • Photo by Rantje Allen

  • Photo by William Tan

  • Photo by Rantje Allen

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Schooling Bigeye Scad in Gorontalo

Bigeye scad can form large schools in quiet inshore areas of Gorontalo.

Thousands in Synchronized Motion

For several weeks in October 2016 a large school of Bigeye scad called Olele Bay home. Actually, this is a typical pattern for this fish. Since they hunt for food mostly at night, they gather in large schools during the day. During daylight hours they do not travel much. This was certainly true of the scad found in Olele.

With undetectable communication, the fish school moved and changed directions all at once. Their movements and direction showed astounding synchronization. Watch for yourself in the video below. At one point, they swam into the sunlight. Notice how the sunbeams danced around the school of fish.

Bigeye Scad

The scientific name of this oceanic fish is Selar crumenophthalmus. It is found in tropical regions worldwide, including equatorial Gorontalo. The local name of the fish in Gorontalo language is “oci.” It is a fast reproducing species and plays an important part in the local diet. One fish is the right size for one person. Other common names in English include Purse-eye or Goggle-eyed scad.

Bigeye scad schooling
Schooling Bigeye scad

The Bigeye scad is considered pelagic since it is associated with the open ocean rather than the reef. In Gorontalo, ocean depths plunge several kilometers just off the beach. That is why pelagic species including whale sharks swim right over the coral slopes of Gorontalo.

Inshore or Offshore

When they are swimming close to shore, Bigeye scad eat small shrimps, invertebrates and forams. When they are in open ocean conditions, these scad will eat zooplankton and fish larvae. Perhaps you notice them eating in the video. Clearly, they were plucking planktonic morsels from the water.
For your chance to see a school of Bigeye scad, please contact with us for a dive package booking.

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