Deresa and Squamosa clams question

How fast do a deresa and squamosa clams grow? and what are the largest they get to in a home aqurium? i think i saw that a deresa gets to 20 inches
 
squamosas get a little larger in home aquariums, around 25 +/- close to thirty. I did see a thirty inch one in the public aquarium though. growth rate depends on each clam.
 
Derasas have the fastest growth rate. Under the right conditions, they can double in size in about a year!
 
Had my derasa for about 5 or 6 years now. Was three inches at the most when I got it.



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wow thats crazy

should i just stick to maximas and croceas?

right now i have 1 maxima (6 inches) and 1 crocea (4 inches), just bought another maxima but is only 2" in my 28 and keep my calcium and alk in check since they drain every few days. ive been looking at the deresas and liked the way they look but wont upgrade to a larger tank until jan.
 
From 4" to this in four years...... I always have seen my Derasas out grow my Squamosas.
12510101-0195_IMG__Medium_.JPG
 
<a href=showthread.php?s=&postid=11131872#post11131872 target=_blank>Originally posted</a> by Zoom
From 4" to this in four years...... I always have seen my Derasas out grow my Squamosas.
12510101-0195_IMG__Medium_.JPG

dangg, that is huge
 
<a href=showthread.php?s=&postid=11133798#post11133798 target=_blank>Originally posted</a> by a4twenty
lol, thats just a baby for a derasa :)

lol. i was thinking of getting a deresa but after seeing that last picture i should rethink that
 
what about a gigas?
<a href=showthread.php?s=&postid=11130538#post11130538 target=_blank>Originally posted</a> by ROB2005
Derasas have the fastest growth rate. Under the right conditions, they can double in size in about a year!
 
Nice tank Steve. That derasa dwarfs that maxima beside him. Looks like a nice maxima though. What size is it?About 3 inches or so.Just for size comparison, not knocking it at all. Thanks
 
<a href=showthread.php?s=&postid=11142396#post11142396 target=_blank>Originally posted</a> by WayneY
Nice tank Steve. That derasa dwarfs that maxima beside him. Looks like a nice maxima though. What size is it?About 3 inches or so.Just for size comparison, not knocking it at all. Thanks
Is about that...... three inches. :lol:
 
The Derasa Clam is also referred to as the Southern Giant Clam or Smooth Giant Clam. The latter name refers to the relative lack of ribbing and scales on the shell. The smoothness of its thick shell, and the 6-7 vertical folds helps to differentiate its species from T. gigas, its larger relative which is not as smooth and has 4-5 folds. In an aquarium, however, scutes may develop on the Deresa Clam. Its mantle is a mixture of orange, yellow, blue, and black and white, and usually has a wavy striped or spotted pattern, usually with vivid blues and greens. It has a narrow byssal opening and the incurrent siphon has tentacles. This species is one of the largest of the "giant" clams, and grows rapidly, reaching a maximum size of approximately 20 inches. Under the proper conditions, smaller Derasa Clams can double or triple their size in less than a year. Those in the aquarium trade are usually cultured.

The Squamosa Clam is also referred to as the Scaled Clam. Its species name squamosa is the Latin word for scale. The numerous rows of large scales over its entire shell are often used as shelter by other organisms, such as small crabs, other clams, and other invertebrates. The shell is symmetrical, and the matching growth pattern in its shell allows it to close together very tightly when it needs to. The Squamosa Clam is often found living amongst Acropora coral, anchored by its byssal filaments. It has a wide byssal opening and long tentacles surrounding its incurrent siphon. The Squamosa Clam can grow 12 to 15 inches in the home aquarium.
 
thats some good information there zoom, thank you.

so the squamosa grows at a max of 15 inches? do they grow just as fast a deresa or a little slower?
 
<a href=showthread.php?s=&postid=11145008#post11145008 target=_blank>Originally posted</a> by Zoom
The Squamosa Clam is also referred to as the Scaled Clam. Its species name squamosa is the Latin word for scale. The numerous rows of large scales over its entire shell are often used as shelter by other organisms, such as small crabs, other clams, and other invertebrates. The shell is symmetrical, and the matching growth pattern in its shell allows it to close together very tightly when it needs to. The Squamosa Clam is often found living amongst Acropora coral, anchored by its byssal filaments. It has a wide byssal opening and long tentacles surrounding its incurrent siphon. The Squamosa Clam can grow 12 to 15 inches in the home aquarium.
ehh, im pretty sure they can get bigger than that even if in a home aquarium.
 
average growth rates for clams

Crocea- 1.75cm per year
Maxima-3.75cm per year
Derasa-6 cm per year
Squamosa-6.25 cm per year
Gigas-8cm per year
 
maximum reported size

Crocea-15cm
Maxima-35cm
Derasa-62cm
Squamosa-41cm
Gigas-137cm

1 centimeter = 0.393700787 inches
 
thanks mbbuna for the average growth rates on these guys. im still iffy about this. i am upgrading later on, but not sure on the squamosa or deresa yet. but im hooked on clams :\

hey whats up teen, sent you a PM on the other message board
 
<a href=showthread.php?s=&postid=11145940#post11145940 target=_blank>Originally posted</a> by nietzsche


hey whats up teen, sent you a PM on the other message board

dont know havent been over there
 
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