Download Family Brachaeluridae - Charles E. Schmidt College of Science

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

page
1
page
2
page
3
page
4
page
5
page
6
page
7
page
8
page
9
page
10
page
11
page
12
page
13
Document related concepts
no text concepts found
Transcript 
Family Brachaeluridae
Blind sharks
Classification
•
•
•
•
•
•
•
Kingdom Animalia
Phylum Chordata
Class chondrichthyes
Order
Family Brachaeluridae
2 Genera
2 species
2 species
• Brachaelurus waddi- blind shark
• Heteroscyllium colchoughi – bluegrey
carpet shark
Anatomical characteristics of the
family
•
•
•
•
•
•
•
•
Small transverse mouth in front of eyes
Large spiracles behind eyes
2 spineless dorsal fins
Anal fin just before caudal fin
Short precaudal tail
Long barbels
Blue/grey or, brown color with spots
1.2 m long
Habitat
•
•
•
•
•
West South Pacific
Off Australia
From intertidal to 100m
In shore coral reefs
Rocky shoreline
Food habits
• Small fish, crustaceans, cuttlefish, sea
anemones
• Nocturnal feeders
Reproduction
• Ovoviviparous
• B. waddi 7-8 young in November
• H. colcloughi -6-8 young
B. waddi
•
•
•
•
•
Brown on dorsal surface with white spots
Dark saddles on young
East Australia
nocturnal
Hides in caves and under ledges during
day.
• Rocky shores and reefs
• Red list-least concern
H. colcloughi
•
•
•
•
•
Max = 75cm
Greyish/blue dorsal surface
Young’s caudal fin has black markings
Very shallow inshore areas
Red list- vulnerable/ rare
Related documents