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Definition
| A small dorsal fin, lacking internal supports, situated between the dorsal and caudal fins. The posterior border of this fin is sometimes fused to the trunk. |
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Definition
| A median fin located just behind the anus on the underside of a fish |
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Definition
| towards the front or the head |
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Definition
| Fleshy outgrowths (feelers) around the mouth in some fishes |
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Definition
| the elongate bones laying in a memberane ( branchiostegal membrane) just below the gill cover (operculum) |
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Definition
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Definition
| upper and lower loves unequal in sized |
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Definition
| tail tapers to a sharp point |
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Definition
| upper and lower lobes of equal size |
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Definition
| the tail region of the body from the posterior insertion of the anal fin to the hidden base of the caudal fin rays |
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Term
| least caudal peduncle depth |
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Definition
| the narrowest portion of the caudal peduncle |
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Definition
| the pblique distance between the posterior insertion of the anal fin and the hidden base of the middle caudal ray |
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Term
| caudal peduncle scale count |
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Definition
| determined by counting the number of scaled around the body at the narrowest protion of the caudal peduncle. |
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Definition
| area on the side of the head from eye to preopercle |
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Definition
| the major tooth-bearing bone of the lower jaw. |
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Definition
| the greatest vertical depth of the body, measured from the top of the back at the front of the dorsal fin to the mid-line of the belly |
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Definition
| at or toward the back ( or top) of a fish |
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Term
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Definition
| the large unparied fin on the middle of the back. Some fishes have more than one. The fin supports may consist of soft-rays, spines, or both. |
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Term
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Definition
| the greatest distance between the free orbit rims. |
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