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Amphilophus citrinellus (Amcit_m1.jpg)
by Ros, W.
 

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Sex/Stage:	male
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Remark:	November 2003

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Amphilophus citrinellus (Amcit_m2.jpg)
by Ros, W.
 

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Sex/Stage:	male
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Remark:	digging; November 2003

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Amatitlania sajica (Arsaj_u0.jpg)
by Ros, W.
 

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Remark:	male and female with fry.

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Amatitlania sajica (Arsaj_m0.jpg)
by Ros, W.
 

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Sex/Stage:	male
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Remark:	March 2004

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Balantiocheilos melanopterus (Bamel_u4.jpg)
by Ros, W.
 

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Remark:	2004

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Chromobotia macracanthus (Bomac_ug.jpg)
by Ros, W.
 

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Remark:	16 years old; 2004

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Cephalosilurus apurensis (Ceapu_u0.jpg)
by Ros, W.
 

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Reference:	Ros, C. and W. Ros, 2007 Cephalosilurus apurensis - Ein gefräßiger Lauerräuber, aber nicht ohne Charme.
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Remark:

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Cephalosilurus apurensis (Ceapu_u1.jpg)
by Ros, W.
 

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Reference:	Ros, C. and W. Ros, 2007 Cephalosilurus apurensis - Ein gefräßiger Lauerräuber, aber nicht ohne Charme.
Source:
Remark:

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Cephalosilurus apurensis (Ceapu_u2.jpg)
by Ros, W.
 

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Reference:	Ros, C. and W. Ros, 2007 Cephalosilurus apurensis - Ein gefräßiger Lauerräuber, aber nicht ohne Charme.
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Remark:

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Cephalosilurus apurensis (Ceapu_u3.jpg)
by Ros, W.
 

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Date:
Reference:	Ros, C. and W. Ros, 2007 Cephalosilurus apurensis - Ein gefräßiger Lauerräuber, aber nicht ohne Charme.
Source:
Remark:

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Cephalosilurus apurensis (Ceapu_u4.jpg)
by Ros, W.
 

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Reference:	Ros, C. and W. Ros, 2007 Cephalosilurus apurensis - Ein gefräßiger Lauerräuber, aber nicht ohne Charme.
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Cephalosilurus nigricaudus (Cenig_j1.jpg)
by Ros, W.
 

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Sex/Stage:	juvenile
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Remark:	Subadult.

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Cephalosilurus nigricaudus (Cenig_j2.jpg)
by Ros, W.
 

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Sex/Stage:	juvenile
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Remark:	Young specimen.

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Cephalosilurus nigricaudus (Cenig_u8.jpg)
by Ros, W.
 

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Cephalosilurus nigricaudus (Cenig_u9.jpg)
by Ros, W.
 

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Cephalosilurus nigricaudus (Cenig_j3.jpg)
by Ros, W.
 

Size (cm):
Locality:
Sex/Stage:	juvenile
Date:
Reference:
Source:
Remark:	Subadult.

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Cephalosilurus nigricaudus (Cenig_j4.jpg)
by Ros, W.
 

Size (cm):
Locality:
Sex/Stage:	juvenile
Date:
Reference:
Source:
Remark:	Subadult.

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Clarias batrachus (Clbat_f0.jpg)
by Ros, W.
 

Size (cm):
Locality:
Sex/Stage:	female
Date:
Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:	Genital papilla of a female Clarias batrachus.

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Clarias batrachus (Clbat_m0.jpg)
by Ros, W.
 

Size (cm):
Locality:
Sex/Stage:	male
Date:
Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:	Genital papilla in males is elongated and pointed.

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Clarias batrachus (Clbat_m1.jpg)
by Ros, W.
 

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Sex/Stage:	male
Date:
Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:	Spawning male digging the nest.

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Clarias batrachus (Clbat_f1.jpg)
by Ros, W.
 

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Sex/Stage:	female
Date:
Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:	Gravid female a few hours before the spawning embrace.

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Clarias batrachus (Clbat_u6.jpg)
by Ros, W.
 

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Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:	Photo shows the spawning embrace.

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Clarias batrachus (Clbat_u7.jpg)
by Ros, W.
 

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Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:	Photo shows the spawning embrace.

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Clarias batrachus (Clbat_u8.jpg)
by Ros, W.
 

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Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:	Photo shows the spawning embrace.

© ALL RIGHTS RESERVED. Image may not be used for any purpose without permission from the copyright holder.

Clarias batrachus (Clbat_l0.jpg)
by Ros, W.
 

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Sex/Stage:	larvae
Date:
Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:

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Clarias batrachus (Clbat_l1.jpg)
by Ros, W.
 

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Sex/Stage:	larvae
Date:
Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
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Clarias batrachus (Clbat_e0.jpg)
by Ros, W.
 

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Sex/Stage:	egg
Date:
Reference:	Ros, W., 2004 Erfolgreiche Froschwels-Nachzucht im Aquarium.
Source:
Remark:

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Clarias batrachus (Clbat_u9.jpg)
by Ros, W.
 

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Reference:	Ros, W., 2006 Clarias batrachus - Auslösen der Fortpflanzung bei Froschwelsen. Die Aquarien- und Terrarienzeitschrift.
Source:
Remark:	spawning (eggs scattering!)

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Clarias batrachus (Clbat_f2.jpg)
by Ros, W.
 

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Sex/Stage:	female
Date:
Reference:	Ros, W., 2006 Clarias batrachus - Auslösen der Fortpflanzung bei Froschwelsen. Die Aquarien- und Terrarienzeitschrift.
Source:
Remark:	gravid female.

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Clarias batrachus (Clbat_ua.jpg)
by Ros, W.
 

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Reference:	Ros, W., 2006 Clarias batrachus - Auslösen der Fortpflanzung bei Froschwelsen. Die Aquarien- und Terrarienzeitschrift.
Source:
Remark:	spawning embrace

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Exallodontus aguanai (Exagu_u0.jpg)
by Ros, W.
 

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Geophagus altifrons (Gealt_u1.jpg)
by Ros, W.
 

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Size (cm):	25 TL
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Geophagus altifrons (Gealt_u2.jpg)
by Ros, W.
 

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Size (cm):	25 TL
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Geophagus altifrons (Gealt_u3.jpg)
by Ros, W.
 

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Size (cm):	25 TL
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Pterygoplichthys gibbiceps (Glgib_u6.jpg)
by Ros, W.
 

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Remark:	2002

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Pterygoplichthys gibbiceps (Glgib_u7.jpg)
by Ros, W.
 

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Remark:	2004

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Heros efasciatus (Heefa_u1.jpg)
by Ros, W.
 

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Remark:	spec. "Blue"

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Heros efasciatus (Heefa_u2.jpg)
by Ros, W.
 

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Remark:	spec. "Rotkeil"

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Pantodon buchholzi (Pabuc_u6.jpg)
by Ros, W.
 

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Remark:	2004

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Parachromis managuensis (Paman_f0.jpg)
by Ros, W.
 

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Sex/Stage:	female
Date:
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Remark:	March 2004

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Parachromis managuensis (Paman_f1.jpg)
by Ros, W.
 

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Sex/Stage:	female
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Remark:	March 2004

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Petenia splendida (Pespl_u1.jpg)
by Ros, W.
 

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Petenia splendida (Pespl_u2.jpg)
by Ros, W.
 

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Petenia splendida (Pespl_u3.jpg)
by Ros, W.
 

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Pterodoras granulosus (Ptgra_ue.jpg)
by Ros, W.
 

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Sorubim lima (Solim_u7.jpg)
by Ros, W.
 

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Remark:	2004

© ALL RIGHTS RESERVED. Image may not be used for any purpose without permission from the copyright holder.