Red-lined wrasse facts for kids
Quick facts for kids Red-lined wrasse |
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| Conservation status | |
Scientific classification  |
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Labriformes |
| Family: | Labridae |
| Genus: | Halichoeres |
| Species: |
H. biocellatus
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| Binomial name | |
| Halichoeres biocellatus L. P. Schultz, 1960
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The red-lined wrasse, also known as the two-spotted wrasse or biocellated wrasse, is a colorful fish. It is a type of wrasse that lives in warm, shallow waters. You can find it in the western Pacific Ocean.
Contents
What Does the Red-Lined Wrasse Look Like?
This fish can grow to about 12 cm long. That's about the length of a small ruler!
Colors and Patterns
Male red-lined wrasses are silvery-grey. They have thin, red stripes running along their bodies. They also have a dark spot near their tail.
Female wrasses have thin orange stripes. These stripes are solid near their head. They become broken or dotted closer to their tail.
Special Spots
Young wrasses and females have two clear dark spots. These spots are outlined in white. They are found on their dorsal fin, which is the fin on their back. One spot is in the middle, and the other is near the back. These spots might fade away as the fish gets older.
Fins
The dorsal fin is long and narrow. It has 9 stiff spines and 12 soft rays. The anal fin, which is on the underside, has 3 spines and 11 or 12 soft rays.
Where Do Red-Lined Wrasses Live?
The red-lined wrasse lives in the tropical western Pacific Ocean. You can find them from Japan down to Australia. This includes countries like Indonesia and the Philippines. They live in waters as deep as 35 meters.
Their Home
They like to live near coral and rocky reefs. They often choose the side of the reef facing the open ocean. These areas usually have sandy patches. You can also find them on reef slopes and crests. These spots might have rocks, rubble, or seaweed.
How Do They Interact with Other Fish?
Young slender groupers are very clever. They pretend to be red-lined wrasses! This is called aggressive mimicry.
Tricking Other Fish
The grouper copies the wrasse's colors and how it moves. Other fish think the grouper is a harmless wrasse. They swim closer, not knowing it's a predator. Then, the grouper can surprise and catch them. It's like a wolf in sheep's clothing!
Is the Red-Lined Wrasse Safe?
The red-lined wrasse is listed as "Least Concern" by the IUCN Red List. This means they are not currently in danger of disappearing.
Why They Are Safe
Even though some populations are slowly shrinking in Southeast Asia, others are doing well. People sometimes collect these fish for aquariums. Also, coral reefs, where they live, are sometimes damaged.
However, populations in Australia are quite stable. Many of these fish also live in protected marine areas. They can also grow up and have babies quickly. Their numbers can double in about 15 months! This helps them stay safe.
