The list below is ordered by the number of Species by number of registered breeders per species. Click the column heading links to sort in different orders, click on the numbers to drill down into the detail.

Rank	Species	Keepers	Breeders	Wishes	Sightings
1.	Ancistrus sp. (3)	1316	85	16	284
2.	Osteogaster aenea	810	60	5	168
3.	Hypancistrus zebra	599	53	58	157
4.	Hoplisoma sterbai	779	51	12	218
5.	Hoplisoma paleatum	608	42	11	132
6.	Hoplisoma panda	560	34	12	145
7.	Hypancistrus sp. (L201)	414	34	20	153
8.	Hypancistrus sp. (L333)	585	31	33	195
9.	Peckoltia compta	697	30	38	190
10.	Ancistrus sp. (4)	454	27	6	132
11.	Hypancistrus seideli	514	27	16	119
12.	Panaqolus sp. (L397)	280	24	50	184
13.	Gastrodermus pygmaeus	369	23	11	127
14.	Osteogaster schultzei	183	22	5	59
15.	Hypancistrus sp. (L260)	417	22	32	119
16.	Osteogaster sp. (Cw010)	267	21	8	112
17.	Hoplisoma duplicareum	176	20	6	62
18.	Osteogaster venezuelanus	177	20	6	78
19.	Scleromystax barbatus	154	20	17	49
20.	Ancistrus dolichopterus	377	20	24	120
21.	Hoplisoma habrosum	303	19	12	80
22.	Hoplisoma trilineatum	357	19	4	96
23.	Hoplisoma weitzmani	193	17	7	52
24.	Hypancistrus contradens	165	16	9	37
25.	Aspidoras raimundi	83	14	1	36
26.	Hoplisoma adolfoi	194	14	18	84
27.	Hoplisoma simile	203	14	13	63
28.	Hypancistrus debilittera	237	14	16	95
29.	Panaqolus sp. (L002)	191	14	7	58
30.	Rineloricaria sp. (L010A)	249	14	19	90
31.	Osteogaster sp. (Cw009)	167	13	15	65
32.	Duringlanis perugiae	130	12	10	37
33.	Hoplisoma metae	175	12	2	43
34.	Ancistrus sp. `RIO PARAGUAY`	56	12	6	28
35.	Hypancistrus sp. (L340)	210	12	14	54
36.	Hypancistrus yudja	93	12	16	30
37.	Hoplisoma concolor	139	11	8	40
38.	Ancistrus sp. (L071)	111	11	3	52
39.	Ancistrus sp. (L393)	43	11	12	35
40.	Hypancistrus sp. (L262)	127	11	5	40
41.	Sturisomatichthys aureus	165	11	8	52
42.	Brochis splendens	260	10	7	80
43.	Ancistrus claro	114	10	9	34
44.	Hypancistrus sp. (L270)	194	10	12	39
45.	Panaqolus maccus	548	10	16	94
46.	Tatia intermedia	77	9	5	34
47.	Dekeyseria picta	365	9	18	116
48.	Hypancistrus sp. (L236)	142	9	32	81
49.	Rineloricaria eigenmanni	71	9	6	27
50.	Sturisomatichthys festivus	51	9	3	14
51.	Aspidoras sp. (C118)	19	8	1	2
52.	Aspidoras sp. (Cw052)	27	8	3	6
53.	Gastrodermus hastatus	118	8	18	42
54.	Ancistrus sp. (L107)	97	8	10	35
55.	Ancistrus sp. (L519)	28	8	12	36
56.	Leporacanthicus joselimai	225	8	33	87
57.	Peckoltia sp. (L387)	62	8	9	34
58.	Pseudacanthicus cf. leopardus	323	8	15	100
59.	Rineloricaria parva	105	8	3	25
60.	Trachelyopterus fisheri	42	7	9	27
61.	Gastrodermus napoensis	97	7	3	36
62.	Hoplisoma gossei	97	7	7	26
63.	Panaqolus claustellifer	66	7	28	40
64.	Peckoltia vittata	182	7	8	46
65.	Gastrodermus elegans	104	6	6	28
66.	Hoplisoma julii	166	6	4	48
67.	Hoplisoma loxozonum	111	6	3	31
68.	Hoplisoma oiapoquense	88	6	2	29
69.	Ancistrus sp. `RIO TOCANTINS`	40	6	5	16
70.	Ancistrus sp. (L180)	46	6	4	8
71.	Farlowella vittata	171	6	6	59
72.	Hypancistrus margaritatus	14	6	2	7
73.	Hypancistrus sp. (L136)	76	6	6	37
74.	Peckoltia sp. (L076)	42	6	11	28
75.	Peckoltia sp. (L140)	40	6	3	16
76.	Synodontis lucipinnis	168	6	5	45
77.	Gastrodermus sp. (C123)	37	5	5	23
78.	Hoplisoma axelrodi	79	5	1	23
79.	Hoplisoma caudimaculatum	62	5	3	16
80.	Hoplisoma diphyes	22	5	5	7
81.	Hoplisoma knaacki	37	5	9	20
82.	Hoplisoma melini	104	5	6	28
83.	Osteogaster eques	147	5	23	89
84.	Ancistrus sp. `RIO UCAYALI`	51	5	6	18
85.	Ancistrus sp. (LDA016)	27	5	0	10
86.	Baryancistrus beggini	197	5	24	72
87.	Hemiancistrus subviridis	332	5	18	95
88.	Hemiodontichthys acipenserinus	32	5	2	19
89.	Hypancistrus sp. `LOWER RIO XINGU`	32	5	0	10
90.	Hypancistrus sp. (L400)	109	5	6	30
91.	Hypancistrus sp. (L401)	63	5	5	22
92.	Hypancistrus sp. (L471)	65	5	15	55
93.	Loricaria nimairaco	31	5	4	17
94.	Panaqolus sp. (L169)	107	5	9	29
95.	Pseudohemiodon apithanos	18	5	6	20
96.	Synodontis multipunctatus	194	5	2	25
97.	Synodontis petricola	180	5	9	36
98.	Tatia reticulata	23	4	7	9
99.	Hoplisoma boesemani	25	4	8	15
100.	Hoplisoma sp. (C091)	26	4	3	13
101.	Osteogaster sp. (Cw014)	83	4	2	26
102.	Scleromystax kronei	28	4	2	5
103.	Phyllonemus typus	30	4	1	11
104.	Ancistrus aguaboensis	30	4	4	22
105.	Ancistrus cirrhosus	51	4	1	21
106.	Ancistrus sp. `WABENMUSTER`	61	4	15	68
107.	Ancistrus sp. (L100)	21	4	4	9
108.	Ancistrus sp. (L279)	11	4	0	2
109.	Hypancistrus furunculus	101	4	7	29
110.	Hypancistrus inspector	87	4	7	25
111.	Leporacanthicus galaxias	65	4	2	19
112.	Otocinclus vittatus	273	4	7	69
113.	Panaqolus albivermis	406	4	31	90
114.	Panaqolus changae	52	4	2	17
115.	Panaqolus tankei	39	4	8	26
116.	Peckoltia sp. (L038)	25	4	1	9
117.	Pseudacanthicus leopardus	115	4	11	50
118.	Pseudacanthicus spinosus	65	4	3	30
119.	Rineloricaria beni	27	4	0	7
120.	Spectracanthicus zuanoni	35	4	7	22
121.	Microglanis aff. iheringi	188	4	10	40
122.	Bunocephalus coracoideus	245	3	5	51
123.	Aspidoras albater	43	3	1	7
124.	Aspidoras fuscoguttatus	13	3	1	11
125.	Brochis (sub-clade 3) delphax	63	3	4	22
126.	Brochis (sub-clade 3) sp. (C141)	21	3	1	11
127.	Corydoras fowleri	27	3	6	12
128.	Hoplisoma carlae	20	3	2	8
129.	Hoplisoma davidsandsi	51	3	4	14
130.	Hoplisoma ehrhardti	42	3	2	10
131.	Hoplisoma nattereri	34	3	4	13
132.	Hoplisoma sp. (Cw111)	16	3	24	23
133.	Hoplisoma tukano	24	3	7	21
134.	Megalechis thoracata	220	3	6	55
135.	Osteogaster rabauti	83	3	4	23
136.	Ancistrus sp. (L338)	19	3	1	3
137.	Hypancistrus sp. (L004)	77	3	3	23
138.	Hypancistrus sp. (L173)	61	3	14	17
139.	Hypancistrus sp. (L399)	40	3	3	10
140.	Hypancistrus sp. (L411)	83	3	6	20
141.	Hypancistrus vandragti	30	3	7	29
142.	Leporacanthicus cf. galaxias(l240)	145	3	8	47
143.	Loricaria simillima	45	3	1	17
144.	Otocinclus cocama	68	3	18	34
145.	Panaqolus sp. (L206)	66	3	3	20
146.	Parancistrus aurantiacus	46	3	11	21
147.	Peckoltia brevis	63	3	3	13
148.	Peckoltia lineola	57	3	5	19
149.	Planiloricaria cryptodon	33	3	3	20
150.	Pseudacanthicus nyktos	11	3	0	7
151.	Pseudacanthicus sp. (L065)	25	3	4	7
152.	Pseudohemiodon aff. apithanos	51	3	17	29
153.	Pseudohemiodon sp. `MARBLED`	9	3	2	9
154.	Rineloricaria hasemani	13	3	0	4
155.	Rineloricaria lanceolata	37	3	10	24
156.	Auchenipterichthys coracoideus	54	2	2	20
157.	Duringlanis romani	11	2	2	8
158.	Trachelyichthys exilis	41	2	7	25
159.	Aspidoras poecilus	10	2	0	8
160.	Corydoras semiaquilus	24	2	3	11
161.	Gastrodermus bilineatus	34	2	1	12
162.	Gastrodermus gracilis	16	2	6	8
163.	Gastrodermus sp. (C126)	12	2	0	5
164.	Hoplisoma araguaiaense	22	2	6	8
165.	Hoplisoma atropersonatum	74	2	9	35
166.	Hoplisoma burgessi	22	2	5	14
167.	Hoplisoma cochui	10	2	6	5
168.	Hoplisoma loretoense	56	2	4	21
169.	Hoplisoma sp. (C120)	22	2	2	3
170.	Hoplisoma sp. (C121)	44	2	4	14
171.	Hoplisoma sp. (C134)	13	2	1	8
172.	Hoplisoma sp. (Cw069)	9	2	2	5
173.	Hoplisoma sp. (Cw140)	9	2	0	10
174.	Hoplosternum littorale	48	2	2	16
175.	Osteogaster cf. aenea	14	2	0	4
176.	Osteogaster maclurei	19	2	4	6
177.	Osteogaster zygata	57	2	4	18
178.	Scleromystax sp. (Cw038)	13	2	3	9
179.	Cryptoheros cutteri	0	2	0	0
180.	Lophiobagrus cyclurus	11	2	1	5
181.	Heteropneustes fossilis	32	2	2	17
182.	Ancistomus sp. (L147)	57	2	4	13
183.	Ancistrus luzia	21	2	4	11
184.	Ancistrus macrophthalmus	22	2	2	13
185.	Ancistrus ranunculus	113	2	13	44
186.	Ancistrus sp. (L325)	20	2	0	8
187.	Ancistrus tamboensis	69	2	1	7
188.	Ancistrus triradiatus	63	2	4	20
189.	Baryancistrus xanthellus	600	2	32	100
190.	Chaetostoma formosae	145	2	3	41
191.	Farlowella platorynchus	11	2	1	9
192.	Hisonotus leucofrenatus	21	2	2	6
193.	Hypancistrus sp. `RIO GUAVIARE`	8	2	2	6
194.	Hypancistrus sp. (3)	19	2	1	12
195.	Hypancistrus sp. (L345)	12	2	8	6
196.	Hypostomus plecostomus	71	2	2	15
197.	Lasiancistrus sp. (L178)	13	2	5	8
198.	Leporacanthicus cf. galaxias(l007)	106	2	6	24
199.	Leporacanthicus heterodon	68	2	2	29
200.	Otothyropsis piribebuy	20	2	3	12
201.	Panaqolus sp. (L403)	12	2	2	6
202.	Peckoltia lujani	43	2	0	26
203.	Peckoltia sp. (L205)	21	2	4	20
204.	Peckoltia sp. (L211)	11	2	6	2
205.	Peckoltia sp. (L377)	26	2	3	11
206.	Pseudacanthicus pirarara	118	2	16	34
207.	Pseudohemiodon almendarizi	14	2	1	12
208.	Scobinancistrus sp. (L253)	24	2	4	12
209.	Sturisoma nigrirostrum	14	2	0	9
210.	Sturisomatichthys leightoni	22	2	2	14
211.	Sturisomatichthys reinae	22	2	0	17
212.	Sturisomatichthys sp. `COLOMBIA`	16	2	0	10
213.	Akysis portellus	6	1	2	6
214.	Ageneiosus inermis	22	1	1	12
215.	Duringlanis altae	14	1	8	11
216.	Tatia dunni	10	1	2	11
217.	Tatia gyrinus	11	1	3	10
218.	Tatia strigata	8	1	2	5
219.	Hyalobagrus flavus	42	1	7	22
220.	Pseudomystus heokhuii	7	1	2	6
221.	Tachysurus trilineatus	11	1	0	7
222.	Aspidoras sp. (C035)	12	1	2	3
223.	Aspidoras sp. (C037)	6	1	0	3
224.	Aspidoras sp. (Cw126)	5	1	1	2
225.	Brochis (sub-clade 2) geryi	6	1	12	8
226.	Brochis (sub-clade 2) reticulata	51	1	2	19
227.	Brochis (sub-clade 3) ambiacus	43	1	1	19
228.	Brochis (sub-clade 3) condiscipulus	19	1	5	7
229.	Brochis (sub-clade 3) imitator	19	1	3	11
230.	Brochis (sub-clade 3) incolicana	11	1	0	5
231.	Brochis (sub-clade 3) robineae	72	1	9	28
232.	Brochis (sub-clade 3) sp. (C143)	3	1	0	3
233.	Brochis (sub-clade 3) sp. (Cw082)	1	1	1	2
234.	Corydoras acutus	11	1	0	7
235.	Corydoras cervinus	13	1	1	7
236.	Corydoras coriatae	2	1	3	2
237.	Corydoras geoffroy	4	1	1	5
238.	Corydoras narcissus	13	1	3	13
239.	Corydoras simulatus	25	1	0	8
240.	Corydoras sp. (C016)	6	1	0	4
241.	Corydoras sp. (C028)	1	1	2	2
242.	Corydoras sp. (C127)	6	1	0	8
243.	Corydoras sp. (Cw075)	0	1	0	4
244.	Corydoras sp. (Cw080)	3	1	0	2
245.	Corydoras sp. (Cw124)	5	1	1	4
246.	Corydoras stenocephalus	11	1	1	6
247.	Dianema longibarbis	37	1	3	12
248.	Dianema urostriatum	62	1	8	22
249.	Gastrodermus nijsseni	23	1	2	14
250.	Gastrodermus pauciradiatus	45	1	9	19
251.	Gastrodermus sp. (C089)	23	1	0	5
252.	Gastrodermus sp. (Cw008)	14	1	0	4
253.	Gastrodermus sp. (Cw022)	10	1	0	5
254.	Gastrodermus sp. (Cw029)	5	1	2	5
255.	Gastrodermus sp. (Cw105)	4	1	0	5
256.	Gastrodermus undulatus	12	1	0	5
Totals		26570	1674	1714	8555