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The chiselmouth has a short,
blunt head with large eyes. The
upper lip is fleshy and covers a
hard cartilaginous plate in the
upper jaw. The lower lip is
covered with hard cartilage
and has a straight-cutting edge
that looks like a chisel.
Chiselmouth are not brightlycoloured.
(This is probably an
adaptation to avoid predation,
since their herbivorous eating
habits require them to feed in
shallow water.) The back is
usually a dark brown while the
sides are lighter with many
small black dots. Sometimes it
has orange colouration in the
part of the pectoral and pelvic
fins closest to the body. The tail
is deeply forked and the caudal
peduncle (narrow part of the
tail) is extremely slender, giving
the fish a very streamlined
look.
Ministry of Fisheries. 1999. Chiselmouth. Ministry of Fisheries. BC Fish Facts
Topic: Fish and Fish Habitats
Keywords: fish facts, habitat, chisemouth
ISSN:
Scientific Name: Acrocheilus alutaceus
ISBN:
English Name: Chiselmouth
Other Identifier:
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