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Fish Morphology & Shipwrecks. Prepared by Avery Paxton February 2014. CROSS-SECTIONAL BODY SHAPE Fill out Fish Morphology, Part 1. Example 1: Yellow-fin Tuna. Example 1: Yellow-fin Tuna. Example 1: Yellow-fin Tuna. Fusiform. Example 1: Yellow-fin Tuna. Streamlined Fast-swimmer - PowerPoint PPT Presentation
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Fish Morphology& Shipwrecks
Prepared by Avery PaxtonFebruary 2014
CROSS-SECTIONAL BODY SHAPEFill out Fish Morphology, Part 1
Example 1: Yellow-fin Tuna
Example 1: Yellow-fin Tuna
Example 1: Yellow-fin Tuna
Fusiform
Example 1: Yellow-fin Tuna
Fusiform
• Streamlined• Fast-swimmer• Often in water
column
Example 1: Yellow-fin Tuna
Fusiform
• Streamlined• Fast-swimmer• Often in water
column
Where would a fish with a fusiform shape live on a shipwreck??
Example 2: Tautog
Example 2: Tautog
Example 1: Tautog
Compressed
Example 2: Tautog
Compressed
• Quick speeds for short distances
• Not always moving because uses bursts of speed
Example 2: Tautog
Compressed
• Quick speeds for short distances
• Not always moving because uses bursts of speed
Where would a fish with a compressed shape live on a shipwreck??
Example 3: Gulf Flounder
Example 3: Gulf Flounder
Depressed
Example 3: Gulf Flounder
Depressed
• Swims along bottom like a flying bird
• Bottom-dweller
Example 3: Gulf Flounder
Depressed
• Swims along bottom like a flying bird
• Bottom-dweller
Example 3: Gulf Flounder
Where would a fish with a depressed shape live on a shipwreck??
Example 4: Conger Eel
Example 4: Conger Eel
Anguilliform
Example 4: Conger Eel
• Not good swimmers
• Ribbon shaped
Example 4: Conger Eel
Anguilliform
• Not good swimmers
• Ribbon shaped
Example 4: Conger Eel
Anguilliform
Where would a fish with an anguilliform shape live on a shipwreck??
Image from Divernet.com
Cross-Sectional Body Shapes
Depressed
Anguilliform
Compressed
Fusiform
CAUDAL FIN SHAPEFill out Fish Morphology, Part 2
Example 1: Angelfish
Example 1: Angelfish
Rounded
Example 1: Angelfish
• Short bursts of speed
• High maneuverability
• Lots of dragRounded
Example 1: Angelfish
• Short bursts of speed
• High maneuverability
• Lots of dragRounded
Example 1: Angelfish
Where would a fish with a rounded caudal fin live on a shipwreck??
Image from BVIwelcome.net
Example 2: Yellowedge Grouper
Example 2: Yellowedge Grouper
Truncated
Example 2: Yellowedge Grouper
• Short bursts of speed
• Good maneuverability
• Not as much drag• Bottom-dwellersTruncated
Example 2: Yellowedge Grouper
• Short bursts of speed
• Good maneuverability
• Not as much drag• Bottom-dwellersTruncated
Example 2: Yellowedge Grouper
Where would a fish with a truncated caudal fin live on a shipwreck??
Image from arkive.org
Example 3: Sheepshead
Example 3: Sheepshead
Forked
Example 3: Sheepshead
• Good speed over longer distances
• Good maneuverability
• Not as much dragForked
Example 3: Sheepshead
• Good speed over longer distances
• Good maneuverability
• Not as much dragForked
Example 3: Sheepshead
Where would a fish with a forked caudal fin live on a shipwreck??
Example 4: Blue Runner
Example 4: Blue Runner
Lunate
Example 4: Blue Runner
• High speed over long distances
• Poor maneuverability• Rigid with less surface
area less dragLunate
Example 4: Blue Runner
• High speed over long distances
• Poor maneuverability• Rigid with less surface
area less dragLunate
Example 4: Blue Runner
Where would a fish with a lunate caudal fin live on a shipwreck??
Caudal Fin Shapes
Forked
Lunate
Truncated
Rounded
Assignment
• Complete part 3 of worksheet– NC Shipwrecks– Given 10 fish that are commonly found on
shipwrecks– Classify cross-sectional body shape, caudal fin
shape, and where it lives on a shipwreck
