Night Life on The Reef - Page 1   Over 10,000 Vet Approved
Articles Search All Articles  Night Life on The Reef  By: Barbie
Bischof  Read By: Pet Lovers Email To A Friend Print Many people
enjoy watching colorful fish dashing around their aquarium
during the daylight hours. Hues of oranges, yellows and reds,
purples, blues and greens dart about the tank.  But few people
know about the quirky night rituals of some fish that can make a
nocturnal tank rewarding and interesting. Hiding out for most of
the day, many of these "swing-shift" fish are active only at
night. Coral polyps, for example, are usually closed up during
the daylight hours. At night, they open up, extending their
little arms into the water to use the current to trawl for prey.
The most active time for nocturnal fishes is during the early
evening and morning hours, when they feed. Grouper, lionfish and
eels, are among the species that are active mostly at night, and
about four families of fish are almost strictly nocturnal.  You
can keep a noct