What is the difference between the Blacksaddle Filefish and the Valentin’s Sharpnose Pufferfish?

What is the difference between the Blacksaddle Filefish (Paraluteres prionurus) and the Valentin’s Sharpnose Pufferfish (Canthigaster valentini)?

The Blacksaddle Filefish and the Valentin’s Sharpnose Pufferfish are both marine (saltwater) fish in the same family – the Monacahnthidae family of Leatherjackets.

The Blacksaddle Filefish and the Valentin’s Sharpnose Puffer are both the same size, about 11 centimetres (4 inches) long, and swim together in the same small schools in the tropical reefs of the Pacific Ocean and the Indian Ocean.

The Blacksaddle Filefish is a mimic of the Valentin’s Sharpnose Puffer, so it is extremely difficult to distinguish one from the other.

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Panther Grouper

The Panther Grouper (Cromileptes altivelis) is a marine (saltwater) fish in the Serranidae family of groupers and sea bass. It is also known as the Polka Dot Grouper, High-Finned Grouper, Humpback Grouper, and Barramundi Cod. 

The Panther Grouper has a laterally compressed, flat body. It has a greyish-yellowish-brown coloured background with small, darker spots all over its body. It is high at front of its back, which makes it look humpbacked. 

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Pacific Double Saddle Butterflyfish

The Pacific Double Saddle Butterflyfish (Chaetodon ulietensis) is a tropical marine (saltwater) fish in the Chaetodontidae family of butterflyfish. It is also known as the False Falcula Butterflyfish. 

The Pacific Double Saddle Butterflyfish has a flat, compressed, oval-shaped body. It is white with vertical, thin, black lines down its body and two dark saddles on its back. The fins and tail are bright yellow with a black spot on the tail. It has a black eye band, like a mask over its eyes. Its protruding snout (nose) is usually white.

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Knobby Finger Coral

The Knobby Finger Coral (Porites duerdeni) is a marine (saltwater) coral in the Poritidae family of polyp stony corals.

The Knobby Finger Coral looks like short, stubby, branching fingers in small, mound-shaped colonies. The top of each finger is spherical. It has widely spaced calices with retracted polyps. It has a well-developed wall reticulum. It can be varied in colour from light grey to yellowish-green and pinkish-red. It is sessile (not moving), with a mouth in each polyp.

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Coral Reef Found Off Tahiti in the Twilight Zone

A coral reef has been found in deep water off the coast of Tahiti in the Pacific Ocean. The coral reef was found to be pristine, undamaged, and in good environmental health. 

The coral reef is rose-shaped. It is part of a larger reef that stretches for more than 3 kilometres long and 70 metres wide at its widest point.  

Laetitia Hédouin and her colleagues at the National Centre for Scientific Research in France undertook diving expeditions off the coast of Tahiti and found the reef. Hédouin said it was a very healthy reef, ‘like a dream come true.’

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Common Bluestripe Snapper

The Common Bluestripe Snapper (Lutjanus kasmira) is a fish in the Lutjanidae family of snappers. It is also known as the Bluebanded Snapper, Fourline Snapper, Blue-Line Snapper, and Moonlighter.

The Common Bluestripe Snapper has an oval-shaped body with a steeply sloped head. The back and sides are bright-yellow, with the lower sides and underside of its head fading to white. It has four bright-blue longitudinal stripes. Its fins are yellow.

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Foxface Rabbitfish

 

The Foxface Rabbitfish (Siganus vulpinus) is a tropical marine (saltwater) reef fish in the Siganidae family. It is also known as the Black-Face Rabbitfish or Common Foxface.

The Foxface Rabbitfish has a compressed vivid yellow body with a yellow tail. It has white on the head and front part of the body. There is a black band running backwards from its mouth, through its eye, and to the start of its dorsal (back) fin. It has a nose that looks like the nose of a fox. 

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CREATURE FEATURE: Bluespotted Ribbontail Ray

The Bluespotted Ribbontail Ray (Taeniura lymma) is a marine (saltwater) stingray in the Dasyatidae family of stingrays. It is also known as the Bluespotted Fantail Ray, the Bluespotted Stingray, or the Lagoon Ray.

The Bluespotted Ribbontail Ray has an oval-shaped disc with electric blue spots on a greyish-yellow coloured skin. The spots vary in size. It has a pair of blue stripes on its tail. It has large, bright-yellow, protruding eyes, a rounded snout (nose), and a short, thick tail. It is mainly smooth, except for a few small thorns in the middle of its back. Its belly is white.

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Marine Goldfish

The Marine Goldfish (Anthias anthias) is a marine (saltwater) fish in the Serranidae family of groupers and sea bass. It is also known as the Swallowtail Sea Perch.

The Marine Goldfish looks like a freshwater goldfish. Its solid colour varies from pink to red, and does not have blotches or markings. It has long fins and an asymmetrical ray-finned tail. Its pelvic fins are yellow but turn red in the breeding season. 

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Pennant Coralfish

The Pennant Coralfish (Heniochus acuminatus) is a marine (saltwater) fish in the Chaetodontidae family of butterflyfish. It is also known as the Longfin Bannerfish, the Reef Bannerfish, or the Coachman.

The Pennant Coralfish is a laterally compressed black and white striped fish with a white elongated, trailing white filament. Its fins are yellow. Its head is white with black eyes. Its snout (nose) is spotted with black marks. 

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Tomato Clownfish

The Tomato Clownfish (Amphiprion frenatus) is a tropical marine (saltwater) fish in the Pomacentridae family of clownfish and damselfish. It is also known as the Blackback Anemonefish, Bridled Anemonefish, Fire Clown, or Red Tomato Clownfish.

The Tomato Clownfish has an oval-shaped, flat, compressed body. It is yellow and orange, or reddish, or blackish. Many have white bars or patches behind their eyes, with a black outline. The female is mainly blackish on her sides.

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Raccoon Butterflyfish

The Raccoon Butterflyfish (Chaetodon lunula) is a tropical marine (saltwater) fish in the Chaetodontidae family of butterflyfish. It is also known as the Crescent-Masked Butterflyfish, Halfmoon Butterflyfish, Raccoon Coralfish, and Redstriped Butterflyfish. 

The Raccoon Butterflyfish has a flat, compressed, oval-shaped body. Its colour varies considerably. Usually, it has a pattern of oblique reddish-brown stripes on its sides. It has a raccoon mask over its eyes, with a white space between the dark crown and eye area. It has a black spot near its tail. Its snout (nose) is usually yellow.

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Saddleback Clownfish

The Saddleback Clownfish (Amphiprion polymnus) is a small tropical marine (saltwater) reef fish. It is also known as the Yellowfin Anemonefish or the Panda Clownfish.

The Saddleback Clownfish has brownish-black and white vertical bands, with a white ‘saddle’ in the middle of its back. The first white band is behind its eyes. It also has yellow fins and yellow eyes. It has an oval-shaped body.

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Blue-Girdled Angelfish

The Blue-Girdled Angelfish (Pomacanthus navarchus) is a marine (saltwater) tropical fish. It is also known as the Majestic Angelfish.

The Blue-Girdled Angelfish has a flat rectangular-shaped body with an elongated nose. Its dorsal (back) fin is large and rounded. It is mostly yellow or white, with blue patches and blue lips. It has a spine protruding behind its underbelly fin. 

 

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