Rays : Identification (by Sen Jie)

**jwhtan** · 17-10-2004, 10:37 PM

Potamotrygon Motoro
Max size: 45cm(18inches)
Ease of keeping: Easy
Hardy species, makes it a good candidate for beginner to keep. Most commonly imported ray. They are highly polymorphic and have a widespread distribution

**jwhtan** · 17-10-2004, 11:21 PM

Potamotrygon Leopoldi
Comes from Rio Xingu - Brazil
Also known as Polka Dot Ray (black ray)
Max size: 60cm(24inches)
Ease of keeping: Easy
This ray is considered the most beautiful and hardiest among all rays, but becomes large.
They have white/yellow spots on top and occasionally have circles mixed in. Their pattern is only on the top of their disc.Very hyperactive, tames well, and readily eats manufactured fish food. The greediest!

**jwhtan** · 17-10-2004, 11:23 PM

Potamotrygon Henlei
Comes from Rio Tocantins
(Black ray)
Max size: 70cm
Ease of Keeping: Easy
This ray resembles polka dot ray. P.henlei have more spots than polka dot ray.
Have lots of white/yellow spots on top that spill over onto the bottom of their disc

**jwhtan** · 17-10-2004, 11:23 PM

Potamotrygon Itaituba

Comes from Rio Tapajos
Also known as Starry ray. (Black ray)
The temperament is like leopoldi, very active and always hungry, great hunter.
A rare and expensive ray.

**jwhtan** · 17-10-2004, 11:24 PM

Potamotrygon Castexi

Also known as Otorongo or Jaguar ray
Max size: over 70cm
Ease of keeping: Very easy
It is the hardiest amongst all and eats all food. It is very active, aggressive and less likely to develop infections than many other species of rays.
This ray has a dark brown disk and many small yellow spots, which makes this ray beautiful. Vary in coloration and pattern, similar to P.Motoro

**jwhtan** · 17-10-2004, 11:24 PM

Potamotrygon Brachyura

Also known as Ahaia Grandy
Max size: over 2m
Ease of Keeping: Easy
It grows to be one of the largest kind of ray in the world. (over 2m in diameter) The eyes are small and the tail is short. Perhaps, most expensive, but keeping this ray is easy.

**jwhtan** · 17-10-2004, 11:25 PM

Potamotrygon Histrix

Max size: 30cm (12inches)

Ease of keeping: easy
This ray is small among the rays. A non-aggressive ray, but difficult to keep. Depends on the initial condition of the ray when acquired. It is the first South American freshwater stingray to be scientifically described

**jwhtan** · 17-10-2004, 11:26 PM

Potamotrygon Sp.

Also known as Chocolate ray
Max size: 45cm(18inches)?
Ease of keeping: Moderately easy
This particular ray is very peculiar in color. The disk is harder and skin texture is rough compared to other rays. Not rare, but only a few being imported.

**jwhtan** · 17-10-2004, 11:26 PM

Potamotrygon Reticulatus

Also known as Teacup stingray

Max size: 35cm
Ease of keeping: Easy?
Perhaps, this is the smallest stingray.

**jwhtan** · 17-10-2004, 11:27 PM

Potamotrygon Family

Pearl Ray
A very rare ray and it is one of the most expensive one.

Belong to the black ray group.

17-10-2004, 10:37 PM	#1
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Rays : Identification (by Sen Jie) Potamotrygon Motoro Max size: 45cm(18inches) Ease of keeping: Easy Hardy species, makes it a good candidate for beginner to keep. Most commonly imported ray. They are highly polymorphic and have a widespread distribution

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17-10-2004, 11:21 PM	#2
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Leopoldi Comes from Rio Xingu - Brazil Also known as Polka Dot Ray (black ray) Max size: 60cm(24inches) Ease of keeping: Easy This ray is considered the most beautiful and hardiest among all rays, but becomes large. They have white/yellow spots on top and occasionally have circles mixed in. Their pattern is only on the top of their disc.Very hyperactive, tames well, and readily eats manufactured fish food. The greediest!

17-10-2004, 11:23 PM	#3
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Henlei Comes from Rio Tocantins (Black ray) Max size: 70cm Ease of Keeping: Easy This ray resembles polka dot ray. P.henlei have more spots than polka dot ray. Have lots of white/yellow spots on top that spill over onto the bottom of their disc

17-10-2004, 11:23 PM	#4
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Itaituba Comes from Rio Tapajos Also known as Starry ray. (Black ray) The temperament is like leopoldi, very active and always hungry, great hunter. A rare and expensive ray.

17-10-2004, 11:24 PM	#5
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Castexi Also known as Otorongo or Jaguar ray Max size: over 70cm Ease of keeping: Very easy It is the hardiest amongst all and eats all food. It is very active, aggressive and less likely to develop infections than many other species of rays. This ray has a dark brown disk and many small yellow spots, which makes this ray beautiful. Vary in coloration and pattern, similar to P.Motoro

17-10-2004, 11:24 PM	#6
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Brachyura Also known as Ahaia Grandy Max size: over 2m Ease of Keeping: Easy It grows to be one of the largest kind of ray in the world. (over 2m in diameter) The eyes are small and the tail is short. Perhaps, most expensive, but keeping this ray is easy.

17-10-2004, 11:25 PM	#7
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Histrix Max size: 30cm (12inches) Ease of keeping: easy This ray is small among the rays. A non-aggressive ray, but difficult to keep. Depends on the initial condition of the ray when acquired. It is the first South American freshwater stingray to be scientifically described

17-10-2004, 11:26 PM	#8
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Sp. Also known as Chocolate ray Max size: 45cm(18inches)? Ease of keeping: Moderately easy This particular ray is very peculiar in color. The disk is harder and skin texture is rough compared to other rays. Not rare, but only a few being imported.

17-10-2004, 11:26 PM	#9
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Reticulatus Also known as Teacup stingray Max size: 35cm Ease of keeping: Easy? Perhaps, this is the smallest stingray.

17-10-2004, 11:27 PM	#10
jwhtan Barney Join Date: Sep 2000 Posts: 9,118	Potamotrygon Family Pearl Ray A very rare ray and it is one of the most expensive one. Belong to the black ray group.

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