Hippocampus reidi HIPREI-072604-GIRJAV–0001

This entry was posted on Monday, July 26th, 2004 and is filed under Seahorses, Spawning Reports.

The Breeder’s Registry Information contained in this report is taken from submitted observations from the aquarist unless noted otherwise (see comments). Information may be reproduced providing the Breeder’s Registry is cited.

Breeder ID: HIPREI-072604-GIRJAV–0001

Date received: 7/26/04

Identification: Hippocampus reidi (Ginsburg 1933 )

Geographic origin: Atlantic

Taxonomy: (After I.C.Z.N)

Kingdom: Animalia

Phylum: Chordata

Class: Actinopterygii

Order: Syngnathiformes

Family: Syngnathidae

Genus: Hippocampus

Species: reidi

Duration male(yr): 5 yrs

Size male(mm): 17 cm

Duration female (yr): 5 yrs

Size female (mm): 15 cm

Broodstock notes: Incubation in the (male’s pouch)

Physical differences: nuzzle lengthened

Adult diet: Mysidaceo offered daily

Time of spawning: 15 min

Frequency of spawning: Monthly

Description of Spawning Event: Abdominal compression and exit of the (larvae)

Location of spawning: Aquarium 1.6m X 1.0m X 1.0m

Approximate quantity: 200 – 500

Size: 0.7 mm

Incubation period: 25 \F0 30 days

Larvae were removed to a separate tank by means of a siphon with a thin plastic hose.

Larvae not attracted to light

Additional comments: The (larvae) look for small currents of water, staying there for several hours, later on they begin to ascend to the surface.

Spawning Tank Capacity (Gallons): 400

Dimensions: Length (1.6m) Width (1m) Height (1m)

Sides of tank covered? Yes. Sides and the back were covered in blue

Filtration: Internal filter of gravel and cylindrical external filter

Pumping volume (lph, gpm, etc.): One power head of 400 liter/hour

Type of seawater used: Natural

Frequency/Volume of changes: 20% /15 days

Specific Gravity: 1.021

How measured: Salinometer

Source of replacement water: Natural

pH: 8.01

How measured? pH-meter digital

Temperature: 28\F0C

Fluctuation: +/-1\F0C

Nitrates: 10mg/L

How measured? Kit

Calcium: n/a

How measured: n/a

Other parameters not listed: Nitrites: 0.07mg/L / Ammonia: 0.1mg/L / D.O: 5.9mg/L

Additives, medications added: None

Frequency and dose: n/a

Lighting Daylight

Wattage. 40W

Photoperiod 12 hours .

Size at Hatching: 0.6 – .0.7 mm

Yolk sac present? No

Description: The (larvae) present the big head, big eyes and dynamic swim. Their coloration varies of black to brown dark.

First food offered: Naupli of Artemia and Rotifer

Frequency of feedings: Twice a day

Second food offered: Artemia

When? Three weeks after having been born

Frequency of feedings: Twice a day


Week 1: 98%

Week 2: 50%

Week 3: 30%

Week 4: 25%

Long term survival: 20% after 4 weeks

GROW-OUT TANK INFORMATION: Development description: The development of the (larvae) basically is given since the increment of the sizes doesn’t vary a lot in form from its birth.

Specific Gravity:1.021

How measured: Salinometer

Source of replacement water: Natural

pH: 8.01

How measured: pH-meter

Temperature: 28\F0C

Fluctuation:+/- 1

Nitrates: 10 mg/L

How measured: Kit

Calcium: n/a

How measured: n/a

Other parameters not listed: 0.07mg/L / Ammonia: 0.1mg/L / OD: 5.9mg/L

Additives, medications added: n/a

Frequency and dose: n/a

Lighting: Natural

Photoperiod: 12 hours


Capacity: Cylindrical tank 500L

Filtration: None

Pumping volume (lph, gpm, etc.) Aeration

Type of seawater used: Natural

Frequency/Volume of changes: 20% each two days

Original description: Ginsburg described Hippocampus reidi in 1933 in the Journal of the Washington Acadamy of Science, v. 23(no. 12); ref. Holotype and paratype specimen were collected at St. George, Grenada, British West Indies.

Word origin: The genus Hippocampus (Greek), a fabulous sea monster. hipp, -e, -o, =us, (Greek) a horse. camp, =us, (Greek) , a sea monster. The species reidi is in honor of Reid, who has several other species named in honorium.

About this report: Information contained in this report is taken from submitted observations. Taxonomy, Synonomy, Original description , Word origin and Suggested reading are provided by member(s) of The Breeder’s Registry staff. Information is presented under the belief that it is accurate. If you have information in addition to, or contrary to that presented you are encouraged to contact the Breeder’s Registry. Permission is granted for “one-time” personal use. Reproduction as distributed or accessible media is prohibited without prior written permission. All rights reserved. 2004

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