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OTHERS


TETRAODONTIDAE FAMILY
The Tetraodontidae or Pufferfish family is distributed world-wide in tropical regions ofmarine, brackish, and freshwater habitats, although most occur in sea water.  Pufferfish are so named, for their ability to inflate with air and water to a size too large to be swallowed.  This action is not the Puffer's only mechanism of defense. Many species are covered with small spines, and most species are poisonous.The mouth is beak-like for crushing the shells of mollusks. The eyes are large and highly mobile.  Pufferfish exist in a range of sizes and colors.     
 
Figure-eight Puffer, Circle-eight Puffer

[ Pictures ]
Tetraodon biocellatus
SYN : Crayracionbiocellus, Tetrodon biocellatus, Tetraodon biocellus
PD : A stocky fish with a broad forehead and protruding eyes.  The dorsal and anal fins are roundedand located opposite each other. The caudal fin is fan-shaped.  The skin is leathery and covered with small spines.  When inflated these spines stick out; rendering the fish un-swallowable. The colors vary based on the age and the habitat of the specimen.  The belly is white in color or dark gray while the upperparts are light to dark gray.  The upper parts are covered in variousgreen to yellow patterns, ranging from lines to circles, dots to stripes.  Each fish has its own unique pattern.  Thefins are gray. The iris ranges from yellow to blue in color.
SIZE : To 8" (20 cm), though usually not more than around 4" (10 cm)
SS : Other Tetraodon species.
HAB : In coastal fresh and brackish waters in Southeast Asia; Burma , Thailand , Indonesia ,and Sumatra.
S: All
TANK : A 32" (80 cm) or 30 gallon (114 L) tank is adequate for fish up to 5" (13 cm)in length. The substrate should be fine gravel or, preferably sand.  The tank should be well-planted along the sides and rear and an open swimming area should be left.   The plants used must be tough to withstand this Puffer's pugnacious behavior, and must be able to tolerate brackish water.  Use rocks and wood to create refuges.
SB : Young individuals are usually peaceful. Older specimens are territorial and aggressive. All ages are aggressive towards their own species. Best kept alone, but if kept in a community tank, combine with hardy fish of similar sizes. Will attack plants and may nip fins of other fish.
SC : Tetraodon,Monodactylus, Scatophagus, Arius, Datnioides
WATER : pH 6.8-8 (7.3), 8-20 dH (10), 75-84°F (24-30°C).  A 1 to 1.5% addition of salt is suggested.  Add7.5-11 TSP. of salt to every 10 gallons (10-15 g/10 L)
FOOD : Live; snails, Tubifex , crustaceans, insect larvae , earthworms;occasionally tablets
SEX: Females are said to be slightly larger when mature.
B : Unsuccessful in captivity, probably similar to T. nigroviridis
BP : 10. There are no reports of successful aquarium spawns.
REMARKS: This species has lived up to 10 years in captivity.  This species can not live in pure saltwater for long periods.
DC : 6. This aggressive species requires live foods, brackish water, and frequent partial waterchanges.
 
Red-Bellied Puffer
[ Pictures ]
Tetraodon lorteti
SYN : Carinotetraodonlorteti, C. somphongsi, Tetraodon somphongsi
PD : This species has a typical puffer shape except for the think caudal penuncle and the large caudal fin. The coloration of this species varies, as this fish is able to undergo a color change dependingon its surroundings. The color becomes darker in darker surroundings and lighter in lighter surroundings.  Females generally have a brown-gray coloration with wide beige and small dark brown markings.  The belly is white with small dark spots.  Theiris of the eye is blood red. Males have a dark brown back with two yellow markings, both running from the top of theeye.  The flanks are lighter brown with a faint, yellow stripe running from the mouth to the top of the caudal penuncle.  The belly is white-yellow and bright red (especially around spawning times.  The anal and dorsal fins are small andorange-red in color. The base of the caudal fin may be faint red and the fin may be edged in white.  The iris of the eye is also red.  
SIZE : To 2.7" (8 cm)
SS : None
HAB : Asia; in standing fresh water ponds in Thailand and Eastern India
S: bottom, middle
TANK : A 28" (71 cm) or 20-25 gallon (76-95 L) tank is sufficient.  Provide plenty of hiding places amongrocks, wood, and heavily planted areas. Leave open swimming areas and use a fine gravel or sand substrate.  Theplants in the tank should be tough-leafed.
WATER : pH 6.2-7.5 (7.1), 4-12 dH (7), 75-82°F (24-28°C)
SB : This territorial species will establish an area to guard against other fish.  Thisspecies is best kept as a single pair in a species tank.
SC : Barbus,Botia, Danios, Gouramis.
FOOD : Live; snails, Tubifex , crustaceans, insect larvae , earthworms;occasionally tablets
SEX: The male is more colorful and abstract in coloration than the female, which has agray belly and is spotted.
B : Difficult, but has been accomplished on occasion.  Use water with the following values:pH of 6.3-6.5, water hardness of 5, and a temperature of 79-81°F (26-27°C).  Furnish the tank with Java Moss andplenty of retreats. Accounts ranging from 300-1500 eggs have been reported, although the average brood is notknown. eggs are laid in the moss after an active courtship.  The male guards the fry, which hatch in 30 hours.  Removethe parents. The fry are very difficult to raise because they do not take most foods. Suggest newly Cyclops nauplii.
BP : 8. Breeding is difficult.  
REMARKS: This Pufferfish does not require the addition of salt.
DC : 5. This aggressive species requires live foods and frequent partial water changes.
 
Green Pufferfish, Spotted Green Puffer, Spotted River Puffer, Round Spotted Puffer

[ Pictures ]
Tetraodon nigroviridis
SYN : Arothrondorsovittatus, A. simulans, Carinotetraodon fluviatilis, Crayracion fluviatilis, Dichotomycter fluviatilis, Tetraodonfluviatilis, Tetrodon fluviatilis, T. nigroviridis, T. simulans  
PD : A stocky fish with a broad forehead and protruding eyes.  The dorsal and anal fins are roundedand located opposite each other. The tail is fan-shaped. The skin is leathery and covered with small spines.  Wheninflated these spines stick out; rendering the fish un-swallowable.  The colors vary based on the age andthe habitat of the specimen. The belly is white in color while the upperparts are yellow to green.  The upperparts are spotted with blackto brown spots. These spots have a small yellow ring surrounding each one. The fins are yellow but transparent.  Theiris ranges from yellow to blue in color.
SIZE : To 8" (20 cm)
SS : Other Tetraodon species.
HAB : In coastal fresh and brackish waters in Asia and Southeast Asia; India , Sri Lanka,Burma (Myanmar), Thailand , Indonesia , and the Philippines.
S: All
TANK : A 32" (80 cm) or 30 gallon (114 L)  tank is sufficient.  Follow suggestions for T. biocellus.
WATER : pH 7.0-8.2 (7.4), 10-20 dH (12), 75-84°F (24-29°C).  A 1-2% addition of salt is suggested.  Add7.5-15 TSP. of salt to every 10 gallons (10-20 g/10 L).
SB : Young individuals are usually peaceful.  Older specimens are territorial andaggressive. All ages are aggressive towards their own, and similar species.  Best kept alone, but can be combinedin a community tank, with hardy, brackish fish of similar sizes.  This Puffer will attack plants and may nip thefins of other fish. Males may fight to the death, so monitor fights closely.
SC : Arius,Monodactylus, Scatophagus, Toxotes, Datnioides
FOOD : Live; snails, Tubifex , crustaceans, insect larvae , earthworms;occasionally tablets
SEX: Unknown
B : Difficult, has only been accomplished in brackish water. Spawning takes place aftercourtship near the bottom. The pale, clear eggs are laid on rocks or on the substrate.  The male guards these.  The fry hatch in 6-7 days and are takento a small pit on the bottom, where the male continues to guard them.  The fry do not take most foods and areconsequently very difficult to raise. Suggest newly hatched Brine Shrimp , Cyclops nauplii, or mosquito larvae.
BP : 9. Breeding is very difficult and is unusual.
REMARKS: Does best in brackish water and can live up to 10 years in captivity.
DC : 6. This aggressive brackishwater species requires live foods.
 
Palembang Puffer
[ Pictures ]
Tetraodon steindachneri
SYN : Crayracionpalembangensis, Tetraodon palembangensis, Tetrodon palembangensis
PD : A stocky fish with a broad forehead and protruding eyes.  The dorsal and anal fins are roundedand located opposite each other. The caudal is fan-shaped. The skin is leathery and covered with small spines.  When inflated these spines stick out;rendering the fish un-swallowable. The colors vary based on the age and the habitat of the specimen.  Thebelly is white in color while the upperparts are light to dark gray.  The upperparts are covered in variousgreen to yellow patterns, ranging from lines to circles, dots to stripes.  Each fish has its own unique pattern.  Thefins are gray. The iris ranges from yellow to blue in color.
SIZE : To 4" (10 cm)
SS : Other Tetraodon species .
HAB : In coastal fresh waters-small streams and drainage ditches-in Southeast Asia; Burma (Myanmar), Thailand , Indonesia , Sumatra
S: All
TANK : A 30" (76 cm) or 20-25 gallon (76-114 L) tank is sufficient.  Follow suggestions for T. biocellus.
WATER : pH 6.7-7.7 (7.0), 5-15 dH (10), 73-82°F (23-28°C)
SB : This aggressive species is intolerant of other fish.  It may fight with other Puffers and nip at the fins of dissimilar species. Combine with sturdy companions.
SC : Botia , Barbs, Danios, Gouramis, Asian Catfish, Synodontis.
FOOD : Live; snails, Tubifex , crustaceans, insect larvae , earthworms;occasionally tablets
SEX: Females larger when mature
B : Unsuccessful in captivity, probably similar to T. nigroviridis
BP : 10. This species has not been bred in captivity
REMARKS: This is a freshwater species that should not be kept in brackish or salt water.

DC : 6.  This aggressive species requires frequent partialwater changes and live foods.





Recent news

Census of marine life opens with 122,000 species
(7/1/2008) Discovering a new species can be the highlight of a biologist's career. Yet once a species enters the formal literature, complications may develop. The systen has been especially problematic because for centuries biologists have lacked the tools to construct a full and flexible list of the world's innumerable species. Using the Internet and hundreds of scientists around the world, the Census of Marine Life is attempting to take on this monumental task.

Large shark populations fall 97% in the Mediterranean
(6/12/2008) Populations of some shark species in the Mediterranean have plunged by more than 97 percent over the past 200 years, report researchers writing in the journal Conservation Biology. Several species are at risk of extinction.

Dried-up Colorado takes toll on giant Mexican fish
(6/8/2008) The Colorado River vanishes before it reaches the Sea of Cortez in all but the wettest years. Companies in California and the southwestern U.S. have diverted its once-vibrant flow to quench their thirst for water and power. Now, a new study in the April 2008 issue of the journal Biological Conservation reports that the dwindling of this major artery has changed the way some marine fish in the Gulf of California grow and develop.

Diversity in streams may brace Chinook salmon for climate change
(6/3/2008) Chinook salmon face a one-two punch. They have disappeared from several rivers in the western U.S. largely because of human interventions and some populations are threatened or endangered. Numbers of Chinook in California's Central Valley have dwindled by 88 percent in the past five years, a loss that closed fisheries for 2008 and may cost California's economy $167 million, according to the state Department of Fish and Game. On top of all this looms a second impact: These salmon will be in hotter water still because of climate change.

Greenpeace ship attacked by Turkish tuna fishermen during protest
(5/30/2008) Members of a Turkish tuna fishing boat attacked the Greenpeace ship Arctic Sunrise while the ship was engaged in a protest against overfishing. The incident occurred Friday in the Cypriot Channel and was reported to the Turkish Iskenderun Gulf Port Authorities.


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Copyright Rhett Butler 1994-2006

The copy for fish.mongabay.com was written in 1994-1995. Therefore some information such as scientific names may be out of date. For this, I apologize. Feel free to send corrections to me.