Certainly! Fish identification involves observing various characteristics such as body shape, fins, coloration, and size. If you have a specific fish you'd like help identifying, providing additional details or a clear description can aid in the identification process. However, here are some general features to consider: 1. **Body Shape:** - Note the overall body shape, whether it's streamlined, elongated, or more rounded. 2. **Fins:** - Examine the fins, including dorsal (back), anal (bottom), pectoral (sides), pelvic (abdomen), and caudal (tail) fins. - Pay attention to their size, shape, and any distinctive markings. 3. **Scales:** - Observe the presence, size, and pattern of scales on the fish. 4. **Coloration:** - Take note of the color of the fish, including any distinctive markings, spots, or patterns. 5. **Mouth and Jaw Structure:** - Examine the mouth and jaw structure. Is it upturned, downturned, or terminal? 6. **Size:** - Measure the length of the fish, as size can be a key factor in identification. 7. **Habitat:** - Consider where the fish was found. Different species may inhabit specific environments, such as rivers, lakes, or oceans. 8. **Behavior:** - Note any distinctive behaviors, such as schooling, feeding habits, or unique movements. 9. **Special Features:** - Look for any unique features, like barbels, whisker-like appendages, or unusual fins.

1. TUNA
GRASS CARP
TROUT
TILAPIA
SILVER CARP
TUNA
 2 – 6 Feet long
 dark metallic blue to blackish
upper bodies
 Have silver-white undersides
 Yellowfin tuna, have a yellow
dorsal fin
 a yellow stripe running along
their body.
 Bluefin tuna have a series of
finlets between the second
dorsal fin and the tail.

2. TUNA
GRASS CARP
TROUT
SILVER CARP
CATLA
GRASS CARP
 bodies, compressed laterally
with a slightly arched back.
 Have a brassy-green or olive-
colored back
 yellowish belly.
 Scales are cycloid (round-
edged)
 mouths without teeth in the jaw
but have pharyngeal teeth in
their throat for grinding plant
material.
 Their fins are typically dusky to
dark in color.

3. TUNA
GRASS CARP
SILVER CARP
CATLA
MURREL
SILVER CARP
 are silvery in color, with a
streamlined body
 no scales on their heads ,
fine scales along their
bodies.
 four feet size, 60 pounds
weight
 have a protruding mouth
without teeth and a relatively
high dorsal fin

4. CATLA
MURREL
SILVER CARP
GRASS CARP
HILSA
CATLA
 A silver-colored fish with a
slightly greenish hue on the
back.
 slightly forked tail
 can reach lengths (around 3
feet) and weigh up to 15-20 kg
 Catla has a protruding lower jaw.

5. HILSA
MAHSHEER
MURREL
CATLA
SILVER CARP
MURREL
 have an elongated, snake-like
body
 with a large mouth and sharp teeth.
 dark, snake-like stripes or spots
along their body.
 Murrel fish have shades of brown,
green, or gray
 The coloration can provide effective
camouflage in their natural habitats
 They have dorsal fins that are
distinctly separated, the anterior part
being spiny and the posterior part
soft-rayed.
 Their anal fin is long and runs along
the underside of the body

6. HILSA
MAHSHEER
SARDINE
CATLA
MURREL
HILSA
 have a streamlined and elongated
body, slightly compressed laterally.
 They have a deeply forked tail and a
pointed head.
 Their body is silver in color with a
bluish back and a silvery belly.
 adult Hilsa can grow up to around 60-
70 centimeters in length
 Hilsa have a relatively large mouth and
sharp teeth.
 They are identifiable by a row of
distinct black spots or markings along
the body's lateral line.
 Hilsa is an anadromous fish, meaning
it migrates from the sea to freshwater
rivers to spawn. It is mostly found in
estuaries and rivers

7. HILSA
MAHSEER
SARDINE
MURREL
TILAPIA
MAHSEER
 have streamlined body with a
large head. Their scales are
relatively large, and their
coloring varies from golden hues
to greenish or brownish shades.
 can grow to impressive sizes, (3
feet) in length and can weigh
more than 50 kg.
 a broad and slightly forked tail,
and powerful fins.
 they possess strong, sturdy
jaws.

8. TILAPIA
SARDINE
TROUT
MAHSHEER
HILSA
SARDINA
 typically small 15 to 25
centimeters in length, slender
fish with a silver-colored body.
 They have a streamlined shape
and a forked tail.
 They usually have a dark spot
above the gill cover.
 have a series of small, soft-
rayed fins along the underside of
the body, and their scales are
easily detachable. Sardines
have a keel-shaped belly.
 Sardines are a pelagic species,
meaning they live and feed in
the open water column rather
than close to the ocean floor.

9. SARDINE
TILAPIA
TROUT
MAHSHEER
TUNA
TILAPIA
 Tilapia typically have an oval-
shaped body and can range in
color from silver to gray or bluish
 They have a dorsal fin that's
continuous and soft-rayed.
 can grow from a few inches to
over a foot in length.
 Their fins may have various
markings, and some species
may display coloration on their
fins, which can be used for
identification.

10. TUNA
GRASS CARP
TROUT
TILAPIA
SARDINE
TROUT
 Have a streamlined body, with a
single dorsal fin and an adipose fin,
which is a small, fatty fin located
between the dorsal fin and the tail.
 They often have speckles on their
back and sides. Their coloration
can vary, ranging from silver to
green, brown, or even vibrant red
or orange hues.
 Size range from a few inches to a
couple of feet in length,
 Trout have a small mouth and
sharp, conical teeth. They also
have well-defined spots along their
body, which are more noticeable on
their dorsal fin, adipose fin, and the
tail.