Sharks The Animal Answer Guide
60 Sharks: The Animal Answer Guide back, including on its pelvic fins and the base of its tail. The spotting may continue onto t ...
Shark Colors 61 The Megamouth Shark, one of the victims of Cookiecutters, was at first considered a light emitter, producing a g ...
62 Sharks: The Animal Answer Guide ted Ratfish was caught not far from Seattle, Washington. An adult male albino skate (mislabel ...
Shark Colors 63 thin surface tissue. Iridescent colors change depending on the direction of incoming light and the angle at whic ...
64 Sharks: The Animal Answer Guide If sharks are so well camouflaged by countershading, you can reason- ably ask why photographs ...
Shark Colors 65 Do a shark’s colors change as it grows? Some sharks change color as they grow, with younger sharks often but not ...
66 Sharks: The Animal Answer Guide Nurse Sharks pay attention to color differences when choosing mates, at least to the extent t ...
Shark Colors 67 South Africa was thought to come in two forms, Cape and Natal, that dif- fered mainly in the color of their dark ...
68 Are sharks social? As a rule, sharks, skates, rays, and chimaeras tend to be solitary animals. When they come together outsid ...
Shark Behavior 69 nighttime dispersal, although groups of Whitetips have been filmed feed- ing at night. Aggregation in sharks d ...
70 Sharks: The Animal Answer Guide Scalloped Hammerheads swim slowly above seamounts (small peaks in the ocean’s floor) by day, ...
Shark Behavior 71 that are frequently filmed in groups include Blacktip, Blacktip Reef, Silky, Porbeagle, Whitetip Reef, Gray Re ...
72 Sharks: The Animal Answer Guide But within these groups, can sharks identify different individuals? Be- havioral studies have ...
Shark Behavior 73 similar size and the same sex associating strongly, resulting in “long-term preferred and avoided companions.” ...
74 Sharks: The Animal Answer Guide A larger sawfish lays its rostrum across the rostrum of a smaller sawfish, pinning it to the ...
Shark Behavior 75 food, occasionally biting one another. Rays at Stingray City have more bite marks on their bodies than rays th ...
76 Sharks: The Animal Answer Guide Hammerheads mentioned above. Among Scalloped Hammerhead females, central positions within the ...
Shark Behavior 77 Sharks (0.2–53 km^2 , or 0.08–20 square miles). Half of 36 tagged female Gray Reef Sharks in Palau remained wi ...
78 Sharks: The Animal Answer Guide how fast the host swims. A remora thus gets a free ride, covering distances that alone it wou ...
Shark Behavior 79 is left to land. But some sharks have learned to follow wading anglers in an- ticipation of the activity. This ...
«
1
2
3
4
5
6
7
8
9
10
»
Free download pdf